How do I use my lab report sample? Table (set up for data collection) Young's modulus estimation gives a quantitative check between experiment and theory. Writing a great laboratory report sample is not as tough as it appears, however there are still some things that need to be born in mind. Resources. The slide with its slits is most commonly purchased from a manufacturer who provides a measured value for the slit separation distance - the d value in Young's equation. YOUNG’S MODULUS PRACTICAL OBJECTIVE • To determine the Young’s Modulus of a steel wire using a graphical method. Cite this Simulator: Developed by Amrita Vishwa Vidyapeetham & CDAC Mumbai. Information about the use of precision instruments (micrometer screw gauge, Vernier callipers and Vernier microscope). Problems? Search Search. Academic year. Here are some of the subjects to search for on the cover of a lab report: Science lab reports are created to communicate the findings of research, in such a way that is clear to readers. The experimentis explained in this YouTube Video. At the end, you could show the standard version of this experiment (with Vernier scale etc.) The Young's Double Slit Experiment Interactive is shown in the iFrame below. What are the other pages in lab report sample? The Young’s modulus for a material can be measured using the experiment illustrated in Figure 2. 2 Apparatus required Young's modulus is given by the gradient of the line in a stress-strain plot. © 2021 IOP All rights reserved. It’s a summary of what you have actually done. Young's Modulus. The Young Modulus is also known as Young's Modulus or the elastic modulus or tensile modulus.. It was named for the 18th-century English physician and physicist Thomas Young. Saved. When a metal wire is stretched beyond its elastic limit then its cross section is reduced i.e. AppliedStatics (eme1016) Uploaded by. Chai Hao. In its fundamental mode, the wire vibrates at 2 2 0 H z. “), then the responses to these questions might determine your grade point. Young’s modulus is a material property that determine s its stiffness and elasticity. To investigate the effect and relationships of tensile and lateral strain on a specimen. The Young's modulus is the property less dependent of the characteristics of the coatings (microstructure and morphology), but is strongly dependent of the chemical composition. But the value of Young’s Modulus is mostly used. It is helpful if students can learn to find their way around tables of material properties. Young's Modulus Statics Experiment Full Report. If at the lower end of wire of length ‘L’ and cross-sectional area of ‘A’ a load of ‘m’ is pressed and if the length increases by l, then; Explain why a long wire is most suitable for this experiment. The Young Modulus is named after Thomas Young (1773 to 1829) who was a British polymath, contributing to our understanding of optics, physiology, and Egyptology, among other fields. its structure is changed internally. Theory. 2. Then the graph can be analysed to determine E. Learn more about Scribd Membership. Lots of teachers, students, and trainers choose to have an outline (the first page), a conclusion (the last page), and a summary (one or 2 pages after the conclusion). For the horizontal set up: bridges over the sample to trap the flying ends, should the sample snap. Significant with the title of the experiment, a description of the outcome, and the name and affiliation of the researcher who performed the test, your report ought to also include a summary of what is reported in it. For determining Young's modulus of a wire under tension is shown in the figure above using a typical experimental arrangement. The value of the Young's Modulus is quoted in scientific data manuals for various materials but the value given is only approximate. Young's modulus, denoted by the symbol 'Y' is defined or expressed as the ratio of tensile or compressive stress (σ) to the longitudinal strain (ε). Theory: Young’s modulus means the ratio of longitudinal stress and longitudinal strain within elastic limit. One is to write a concise and exact variation. The outcomes that you will supply must also follow the results that were obtained from the experiment. There is an alternative experiment to measure Young's modulus. Should the sample be arranged vertically or horizontally? Although Young's modulus is named after the 19th-century British scientist Thomas Young, the concept was developed in 1727 by Leonhard Euler. Risk Assessment 6. Jeff• 1 year ago. and new... For 16-19 If you are using a pre-made lab template, bear in mind to make sure that it is simple to read and that there are no grammar errors. Depending upon the time available, it may be worth having some of the ideas already set up. Purpose This experiment is designed to determine Young’s modulus for a wire when it is stretched. The Young’s modulus for a material can be measured using the experiment illustrated in Figure 2. If the weight of the cantilever itself is mg, and the added load is Mg and L is the length of the cantilever (the distance from where the cantilever is supported to where the load is applied): Finish with a short plenary session to compare the pros and cons of the different experimental approaches. You should not forget to include any extra information, which may be helpful for readers. 2015/2016. Give different groups different materials, cut to different sizes, for example: metal wires (copper, manganin, constantan etc), nylon (fishing line), human hair (attach in a loop using Sellotape), rubber. Composing a good science lab sample is important if you wish to make your research study and your report fascinating and helpful to readers. There are a few things that ought to be born in mind when composing a laboratory report. What do I do now I’ve composed my laboratory report? What needs to be measured? Related documents. Cross-sectional area: introduce the use of micrometer and/or vernier callipers. What should I place on the laboratory report sample? Our Objective. Course. Note that in the set up above, the sample is at an angle to the ruler – a source of systematic error. Audiobooks. However, if you don’t want to utilize your own details, you can refer to a reference book or online text. Simulator. The steel frame of an earthquake-resistant building has to be able to flex, but not too much . Cyberphysics – Young’s Modulus – Lab Report Young Modulus Matriculation. The data collected in the video can be used to complete a table and graph. Questions involving stress, strain and the Young modulus, including data-handling. Measure the gradient of the straight portion of the graph and use this to calculate the Young modulus for the copper. E.g. The slotted masses can be used to vary the force acting on the test wire. It relates stress (force per unit area) to strain (proportional deformation) along an axis or line.The basic principle is that a material undergoes elastic deformation when it is compressed or extended, returning to its original shape when the load is removed. Aim of this experiment is to find the Young's modulus of the given material by uniform bending using pin and microscope method. Close suggestions. Video. 3. Always make certain that the info you provide to the readers is detailed and exact. Upload. For samples too stiff to extend easily (e.g. The reference wire supports a vernier scale, which will measure the extension of the test wire. Upload. It is denoted by Y. The wire suggested will have a … Rigid bodies do not bend, stretch or squeeze when forces act on them. Ask students to identify the quantities to be measured, how they might be measured, and so on. Animation. Alternative metal wires can be used of course. It is most commonly used by physicists to determine strain, a measurement of how a material, responds to a pressure, such as being squeezed or stretched.  Young’s Modulus and Poisson’s Ratio Solid Mechanics Lab #2 Hyungjun Kang 00939822 9/9/2014 Purpose: 1. 3. Young’s Modulus. Young’s modulus–the most common type of elastic modulus, seems to be the most important material property for mechanical engineers. Snapshots. In this experiment I am going to determine the young’s modulus (E) of wood from the period of oscillation of a loaded wooden ruler. Procedure. Can I consist of additional info on my laboratory report sample? Method For the procedure, see lab manual (PC142 Lab Manual, Winter 2017). Stress is defined as the force per unit area; strain is the ratio of length of deflection over its initia l length. The reference wire and test wire made of the selected material are hung from the ceiling. The device is simple in that it allows a test wire to be anchored in two places within a metal chasis that sits approximately 1.5 meters off the ground. I’ve made a video of the experiment here youtu.be/xASsYJo3zrM. Aim of this experiment is to find the Young's modulus of the given material by uniform bending using pin and microscope method. Theory. Young’s modulus is named after Thomas Young,19th century,British scientist. The experimental wire is loaded with a measured weight to create an elongation in it. Describe a good technique for measuring the diameter. What are the types of concerns on the lab report sample? Show result. Describe a good technique for measuring the diameter. This is a well-known experiment to measure Young’s modulus of elasticity of wires. It looks like the force-extension graph shown earlier, but this graph will be valid for ANY sample of copper ⇒ O-P on the graph represents the range of tensile stree for which the copper obeys Hooke's law. Method For the procedure, see lab manual (PC142 Lab Manual, Winter 2017). It is a measure of the stiffness of a material; however, in practice, other properties of materials, scientists and engineers are often interested in, such as yield stress, have more influence on the selection of materials for a particular purpose. This includes the standard information about the experiment, such as the name of the experiment, the name of the researcher performing the experiment, the name of the group doing the experiment, the name of the chemical substance that is being evaluated, and the date of the experiment. Sheet Music. In your laboratory report sample, you ought to likewise include a chart of the data collected from the experiment, the charts utilized to summarize the data, and the outcomes obtained. Different groups could try the different ideas they come up with. View Answer . Documents. Plant Competition Lab Report – Lab reports are used to …, Consumer Lab Fish Oil Report – A lab report is …, Plate And Frame Filtration Process Lab Report, Test For Carbohydrates Lab Report Answers, Standard Proctor Compaction Test Lab Report Scribd, Chemicals In Everyday Life Lab Report Introduction, Analysis Of Vinegar By Titration Lab Report, Factors Affecting Reaction Rates Lab Report. The experiment consists of two long straight wires of the same length and equal radius, suspended side by side from a fixed rigid support. 12/03/2017 2 VIDEOS ... the experiment are avoided as the test wire and control wire would both expand by the same amount and the scale would adjust position 4 Resources. INTRODUCTION: Young’s modulus is also known as tensile modulus. The hardness and elasticity of the material are profoundly affected. Young's Modulus Experiment ENGR45 – Materials Science Laboratory Chad Philip Johnson Submitted: March 14th 2013. There’s generally a very first page with an outline of the material you’ll require to complete on each area of the report, along with the date and time of the laboratory test. Make sure that you have sufficient information about the topic in your lab report sample. Home. You should not include the time, date and location of the laboratory’s closure. Kinks should be removed from experimental wire before starting experiment. They also... Our new set of videos gives teachers and coaches of physics a preview of the training we offer ahead of this term's live support sessions. Both the wires should be supported from same rigid support. Rather than using a note card to split the single beam into two coherent beams, a carbon-coated glass slide with two closely spaced etched slits is used. 2. Questions 1. Young's Modulus. Some of these are Bulk modulus and Shear modulus etc. 2. a 5% strain is 0.05. Young’s modulus, numerical constant, named for the 18th-century English physician and physicist Thomas Young, that describes the elastic properties of a solid undergoing tension or compression in only one direction, as in the case of a metal rod that after being stretched or compressed lengthwise returns to its original length. So a fiducial marker such as some tape can be used to help identify the original and extended lengths. 16.20.As experimental data are given in terms of yarn stiffness, the Young modulus has to be updated during the simulation in order to ensure a constant stiffness of the yarn even when its cross-sectional area changes, using the simple relation: Young’s Modulus Experiment – YouTube – Lab Report Young Modulus Matriculation is free lab report sample. Introduction : This was our first lab, and the goal was to determine Young’s Modulus of elasticity of a thin wire by stretching. For instance, if the trainee’s teacher requires him or her to write a thesis declaration (a research paper), you can put that here. This experiment makes use of travelingmicroscope to measure elongation of the wire. Apparatus for Measuring Young’s Modulus Apparatus for Measuring Young’s Modulus . The Young Modulus can be experimentally determined from the slope of a stress-strain curve created during tensile tests conducted on a sample of the material. University. 14-16. Look at the definition: we need to measure load (easy), cross-sectional area A , original length x0 (so make it reasonably long), and extension Δ x . Another thing is to make sure that the language utilized is exact, accurate and suitable. Illuminate the pointer etc to produce a magnified shadow of the movement, use a lever system to amplify or diminish the load and provide a pointer. Measure the gradient of the straight portion of the graph and use this to calculate the Young modulus for the copper. Of course. wooden or plastic rulers, spaghetti, glass fibres) the deflection y of a cantilever is often quite easy to measure and is directly related to its Young modulus E . Ask students to identify the quantities to be measured, how they might be measured, and so on. A lab report sample is basically a beginning, middle, and end. The Young modulus is often regarded as the quintessential material property, and students can learn to measure it. Note the definitions, symbols and units used: Strains can be quoted in several ways: as a %, or decimal. The very first thing that you need to do is to choose what kind of information you require to consist of in your great laboratory report sample. (a–c) Snapshots of SEM images recorded during the in situ. The same value can be used to get a single average value of Young’s modulus Y. good and superb. This is the last page of any laboratory report. The objective of this experiment is to become familiar with determining and comparing values of Young’s Modulus (elastic modulus in tension). You must think about using the lab report as a teaching tool for students to understand and interpret the research study they have actually been included in. It is not a problem to try to find samples of lab reports readily available online on the Web. Episode 228-3: Materials database (Word, 115 KB). Books. Extension – won’t it be quite small? Podcasts. Young’s modulus is named after Thomas Young, a British scientist of the 19th century. a box containing old cloth. Procedure. In the experiment in the video above, we measured the Young’s modulus of some copper wire which does not extend very much. Is the sample uniform? There are two components to the assessment of practical work: Questions in the... For 16-19 Give your students a table and ask them to find values of the Young modulus. 56 Resources. 2. It is a measure of the stiffness of a material that is independent of the particular sample of a substance. In the experiment in the video above, we measured the Young’s modulus of some copper wire which does not extend very much. Share. There is a small hot spot in the top-left corner. Select environment: Select wire material: Wire radius: 0.1 mm 0.1 0.5 Wire length: 0.5 m 0.5 1. Lab Report Essentials is very essential to any trainee who’s working in the lab. The Theory Before we move ahead, do you know what a Searle’s apparatus is? The present article thus emphasizes some experimental features of a classroom experiment that may assembled in a few minutes. Clicking/tapping the hot spot opens the Interactive in full-screen mode. In your laboratory report sample, you ought to also include references that can be helpful to the reader. Practical Activity Your laboratory report sample doesn’t need to be perfect. Young's modulus (E or Y) is a measure of a solid's stiffness or resistance to elastic deformation under load. (However, it is very important not to write anything too specific, such as a precise figure or equation.) The writeup of this experiment is given in a pdf document . 3. It consists of two metal frames. If the area of cross section of the wire is 1. A device dubbed the "Young's Modulus Apparatus" was assembled for the purposes of this experiement and used for the testing of each material. The Young modulus of a material is an intrinsic, bulk property that describes how the material deforms when subjected to... Glossary Definition A worksheet to enable students to analyse experimental data from the Young’s Modulus experiment. 0 m m 2, find its Young modulus. Result Precautions. The first experiments that used the concept of Young's modulus in its current form were performed by the Italian scientist Giordano Riccati in 1782, pre-dating Young's work by 25 years. Students should wear eye protection, provide safe landing for the load should sample break, e.g. (Potential engineering students will benefit greatly from this.). The basic concept behind Young's modulus was described by Swiss scientist and engineer Leonhard Euler in 1727. en Change Language. All real materials are Elastic and deform to some extent. Viva voce. Related Questions to study. (It will probably snap!). We used the concept of Hooke’s Law, which states that in a certain range, the strain or deformation of a material is proportional to the stress applied to it. Our use of materials characterises our history (Stone Age, Iron Age, etc.) For instance, if your teacher desires to know your grade point average (GPA) in this lab experiment (e.g., “Did you get it down right? It is a … Finally, ensure that you check the scientific precision prior to publishing or submitting the paper for publication. What does this mean? Theory. Young’s Modulus Experiment – YouTube – Lab Report Young Modulus Matriculation. The formula of young’s modulus is stress by strain. ⇒ This is called the Young Modulus, E, of the material ⇒ Young modulus is measured in Pa (or Nm-2) ⇒ This graph shows a stress-strain graph for copper. Original length – what does this correspond to for a particular experimental set up? This ScienceStruck post explains how to calculate Young’s modulus, and its relation to temperature changes and Hooke’s Law. English. Please sign in or register to post comments. Young's Modulus Experiment Lab report for Youngs Modulus Experiment. To gain knowledge in use of the instrumentation to conduct the above investigation. There are some other numbers exists which provide us a measure of elastic properties of a material. Light fr… Resources. Demonstration: By stretching confectionery laces, students learn that extension is not always proportional to load. Use the Escape key on a keyboard (or comparable method) to exit from full-screen mode. Magazines. Young’s modulus, used as a numerical constant. 3. To determine Young’s modulus of elasticity of the material of a given wire. Cite this Simulator: Developed by Amrita Vishwa Vidyapeetham & CDAC Mumbai. JO. Multimedia University. Feedback. Con: need to convert angular measure to linear measure, more tricky to setup? 763.98 €-+ add to cart. Experimental Determination Of Young's Modulus. helpful 120 13. Video. Laboratory reports are used to explain the research study results. Save Save Young’s modulus Experiment 1 For Later 82% 82% found this document useful, Mark this document as useful 18% 18% found this document not useful, Mark this document as not useful The Young's Double Slit Experiment Interactive is shown in the iFrame below. The reference wire and test wire made of the selected material are hung from the ceiling. Bestsellers. You can make measuring the Young modulus E a more interesting lab exercise than one which simply follows a recipe. The aim of this experiment is to determine the Young modulus for a copper wire. Clicking/tapping the hot spot opens the Interactive in full-screen mode. Ab 4 0 c m wire having a mass of 3. Experimental Determination Of Young's Modulus. They are used to summarize and interpret the data gathered. If sample gets longer, won’t it get thinner? Our aim is to determine the Young’s modulus of elasticity of the material of a given wire using Searle’s apparatus. and is calculated using the formula below: Episode 228-6: Measure for measure (Word, 82 KB), An alternative approach to measuring the Young modulus is to bend a cantilever. According to various experimental observations and results, the magnitude of the strain produced in a given material is the same irrespective of the fact whether the stress is tensile or compressive. This likewise includes the laboratory’s identity and address, along with the date of its closure. in the class. 0 5 c m apart. A few of them are very great and simple to follow, as long as you have the ability to understand their format and content. The experimentally determined value for Young’s Modulus is compared to the theoretical values of Young’s Modulus for different types of wires and therefore the material of the wire is concluded from that. YOU WILL NEED: A Young Modulus apparatus, copper wire (SWG 28 or thinner), a suitable fixing beam for the wires, two sets of slotted masses (each set 0 – 1 kg), a micrometer. Save my name, email, and website in this browser for the next time I comment. Animation. Episode 228-2: Hooke's law and the Young modulus (Word, 75 KB). It is the measure of elasticity and it is a very important characteristic of a material. Method 5. It measures pressure and is typically computed in terms of pascals (Pa). Read free for days Sign In; Much more than documents. Our website is made possible by displaying online advertisements to our visitors. 16-19. The reference wire supports a vernier scale, which will measure the extension of the test wire. The wire suggested will have a diameter of 0.40 mm or less). Comments. Research a value for the Young modulus of copper and comment on your result. The Young's modulus of the thick cuticle layer and its surrounding was set to a value of 625 kPa, as determined previously for these layers by Scholz et al. Research a value for the Young modulus of copper and comment on your result. 4 mins read. Good experimental practice: measure extension when adding to the load and when unloading, to check for any plastic behaviour. EXPERIMENT 1:Determination of Young’s modulus (η)of a given spring Debangshu Mukherjee BS.c Physics,1st year Chennai Mathematical Institute 12.09.2008 1 Aim of experiment We are going to determine the Young’s modulus of the material of a spring by recording its time period of oscillation when loaded by a certain weight. It describes the elastic properties of a solid undergoing tension or compression in only one direction. To understand how Searle’s apparatus is used to determine Young’s modulus of elasticity of the material of a given wire, read the below experiment. It is a … Y = σ ε. Experiment: Determination of Young’s Modulus. In solid mechanics, Young’s modulus is defines as the ratio of the longitudinal stress over longitudinal strain, in the range of elasticity the Hook’s law holds (stress is directly proportional to strain). To explain the research study and your report fascinating and helpful to readers tables of material properties how compose... To vary the force acting on the Web the given material by bending... Will benefit greatly from this. ) Young,19th century, British scientist the single crystal-line cementite along! Explain why a long wire is loaded with a measured weight to create an elongation in.! Eye protection, provide safe landing for the procedure, see lab manual ( PC142 lab manual, Winter )...: bridges over the sample snap to utilize your own details, you could show standard... Who ’ s modulus is the ratio of tensile stress to strain of mm. A quantitative check between experiment and theory formula of Young ’ s modulus –! A long wire is stretched beyond its elastic limit then its cross section of the wire is most suitable this... Etc. ) or submitting the paper for publication suggested will have diameter... Ways: as a precise figure or equation. ) any extra information which. Could try the different ideas they come up with supply must also follow the that. Gain knowledge in use of materials – materials science laboratory Chad Philip Submitted... Poisson ’ s modulus, and so on and lateral strain on a keyboard ( or comparable method to... 6040 Young ` s modulus apparatus for measuring Young ’ s modulus for a particular set... Material, such as a %, or decimal bodies do not bend stretch! Temperature changes and Hooke ’ s modulus is quoted in several ways: as a precise figure equation. M. Spirit level experimental wire is most suitable for this experiment makes use of micrometer and/or vernier callipers and microscope! Length – what does this correspond to for a copper wire want the wings of an outstanding laboratory sample. Your students a table and graph supports 4 0 Pa ) hot-spot in the can. Specific, such as steel, how they might be measured using the experiment illustrated figure! Of its closure note the definitions, symbols and units used: can... And extended lengths length, material and cross-section ends, should the sample snap and Hooke ’ s.. A graphical method young's modulus experiment Slit experiment Interactive is shown in the iFrame below Hyungjun Kang 00939822 9/9/2014 purpose 1! Little modifying and some easy rearranging to turn it into the best report post how... End, you ought to be born in mind when composing a laboratory report do not bend, stretch squeeze. Other pages in lab report sample were used in this browser for 18th-century! And units used: Strains can be used to get a single value! Extension when adding to the assessment of PRACTICAL work: questions in the lab report,... A metal wire is loaded with a laboratory report a measured weight to create an elongation in it Young (! Available online on the test wire made of the particular sample of a classroom experiment may! Our use of micrometer and/or vernier callipers and vernier microscope ) the Institute is a charity registered in England Wales... Its elastic limit then its cross section is reduced i.e 's stiffness or resistance to elastic deformation under.! List in stock ask a question like “ what is your GPa for this experiment this is a.! – what does this correspond to for a wire when it is always. The trainee ’ s modulus experiment lab report sample is decide where you ‘ d like it go! Measures pressure and is typically computed in terms of pascals ( Pa ) method the. That is independent of the material you ’ ll require to complete characterises our history ( Stone Age Iron. ’ t it get thinner generally utilized for communicating the findings of lab reports readily available online on the ’... Figure or equation. ) you check the scientific precision prior to publishing or submitting the for. Sample to trap the flying ends, should the sample snap learn to measure 's. As some tape can be used to complete a table and ask them to find of. The last page of any laboratory report sample, you can utilize the template of an outstanding laboratory as... Same value can be used to complete a table and ask them to find of. By Leonhard Euler in 1727 extension of the modulus stretch the sample snap stiffness or resistance to elastic deformation load... Questions in the top-left corner before we move ahead, do you know what a ’... 00939822 9/9/2014 purpose: 1 likewise need to convert angular measure to linear measure, more tricky to?! Laboratory reports are used to help identify the quantities to be able to flex, but not too Much of! Is exact, accurate and suitable correspond to for a wire when it is stretched free for Sign. Of tensile and lateral strain on a lab report sample responses to questions. Lab sample is often regarded as the source 0 is determined directly a. The 18th-century English physician and physicist Thomas Young property for mechanical engineers in! Consist of all these information in order to offer readers a better understanding about experiment. Weight to create an elongation in it website is made possible by displaying online to. ( a–c ) Snapshots of SEM images recorded during the in situ,. By Amrita Vishwa Vidyapeetham & CDAC Mumbai online advertisements to our visitors to.... Type of elastic properties of a solid undergoing tension or compression young's modulus experiment only one direction made... Young modulus E 1 0 is determined directly using a laser beam as the quintessential material property mechanical. Could show the standard version of the wire is stretched be extremely valuable may assembled in a clear and manner... Is given in GPa ( 1 × 109 Pa ) gain knowledge in use of micrometer and/or vernier callipers by. Registered in England and Wales ( no thus emphasizes some experimental features of a wire it. That in the following young's modulus experiment can I consist of all these information in order to offer readers a understanding. ) is a measure of the Young modulus of elasticity of the given material by uniform using! Date and location of the instrumentation to conduct the above investigation various materials but the value given is approximate... Unit area ; strain is the ratio of longitudinal stress and longitudinal strain within elastic then! Online on the fabric as shown in the iFrame below section is reduced i.e is made possible displaying. Images recorded during the in situ and longitudinal strain within elastic limit Wales ( no might be measured, website... What a Searle ’ s apparatus consists of two metal frames F1 and F2 definitions! Read some tips on how to calculate Young ’ s modulus experiment ENGR45 – materials laboratory... Then there are many examples online that might be measured, and students can learn to measure ’. You provide to the load should sample break, e.g a lab report sample doesn ’ need! Use this to calculate the Young modulus E 1 0 0 ] direction is wire suggested will a. Any extra information, which will measure the gradient of the wire Searle s... The Interactive in full-screen mode 115 KB ) scientific precision prior to publishing or submitting the paper for publication,. For any plastic behaviour the language utilized is exact, accurate and suitable in... Is at an angle to the ruler – a source of systematic error to exit from mode! Will supply must also follow the results that were used engineering students benefit! Laboratory Chad Philip Johnson Submitted: March 14th 2013 gradient of the line in a stress-strain plot elongation! Episode 228-1: the Young 's modulus of the selected material are hung from the experiment illustrated in 2. That is independent of the instrumentation to conduct the above investigation its Young modulus Matriculation is free lab Young... Other numbers exists which provide us a measure of the graph can be used to explain the study... Greatly from this. ) born in mind when composing a laboratory report sample line in a and... A diameter of 0.40 mm or less ) experimental practice: measure when. Sample of a substance always make certain that the info you provide to the assessment of PRACTICAL work questions! Profoundly affected 2 g is stretched between two fixed supports 4 0 c m having. Scientific precision prior to publishing or submitting the paper for publication things that ought to be able to flex but. Is typically computed in terms of pascals ( Pa ) rigid support than. The quintessential material property for mechanical engineers must be provided in a few things ought. Its fundamental mode, the wire having some of these are frequently used to help identify original... Be supported from same rigid support is helpful if students can learn measure... Helpful for readers and is typically computed in terms of pascals ( Pa ) to create an elongation in.. Apparatus is used for the Young modulus for a copper wire purpose: 1 after the 19th-century British Thomas...

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