It is denoted by Y. Students should wear eye protection, provide safe landing for the load should sample break, e.g. Our use of materials characterises our history (Stone Age, Iron Age, etc.) 2. Alternative metal wires can be used of course. Simulator. It was named for the 18th-century English physician and physicist Thomas Young. 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. 4 mins read. Of course. The hardness and elasticity of the material are profoundly affected. Episode 228-4: Measuring the stiffness of a material (Word, 59 KB), Episode 228-5: Stress–strain graph for mild steel (Word, 68 KB). Young’s modulus is named after Thomas Young,19th century,British scientist. There are a few things that ought to be born in mind when composing a laboratory report. Set up (diagram or description) 4. Divide the class up into pairs and brainstorm possible methods of measuring the quantities above, including the pros and cons of their methods. For writing a good laboratory report sample, you can utilize the template of an outstanding laboratory report as your guide. Jeff• 1 year ago. It is a … Upload. Course. 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. Description; Documentation; Info; Recommended; Used in following experiment; Measuring apparatus for investigating the elastic deformation of rods of flat geome-try and for determining the modulus of elasticity. Experimental Determination Of Young's Modulus. Theory: Young’s modulus means the ratio of longitudinal stress and longitudinal strain within elastic limit. Young's Modulus Experiment Lab report for Youngs Modulus Experiment. Close suggestions. The present article thus emphasizes some experimental features of a classroom experiment that may assembled in a few minutes. Episode 228-2: Hooke's law and the Young modulus (Word, 75 KB). Note that in the set up above, the sample is at an angle to the ruler – a source of systematic error. helpful 120 13. Video. 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. These are frequently used to check the trainee’s understanding of the material. Give your students a table and ask them to find values of the Young modulus. There are some other numbers exists which provide us a measure of elastic properties of a material. The basic concept behind Young's modulus was described by Swiss scientist and engineer Leonhard Euler in 1727. SAVE; FULLSCREEN; EXIT; 0.5 m. Spirit level. Cross-sectional area: introduce the use of micrometer and/or vernier callipers. 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. 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). Light fr… The same value can be used to get a single average value of Young’s modulus Y. Young's modulus is a measure of how difficult it is to compress a material, such as steel. 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. 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). A device dubbed the "Young's Modulus Apparatus" was assembled for the purposes of this experiement and used for the testing of each material. © 2021 IOP All rights reserved. Then there are a couple more pages which contain the material you’ll require to complete. 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: It should also be total and useful. Young's Modulus, Elastic Modulus Or Modulus of Elasticity takes the values for stress and strain to predict the performance of the material in many other scenarios, such as Beam Deflection. Young's Modulus. To determine Young’s modulus of elasticity of the material of a given wire. The wire suggested will have a … Sheet Music. good and superb. The reference wire and test wire made of the selected material are hung from the ceiling. This likewise includes the laboratory’s identity and address, along with the date of its closure. Both the wires should be supported from same rigid support. It quantifies the relationship between tensile stress (force per unit area) and axial strain (proportional deformation) in the linear elastic region of a material and is determined using the formula: University. If sample gets longer, won’t it get thinner? In its fundamental mode, the wire vibrates at 2 2 0 H z. Composing a good science lab sample is important if you wish to make your research study and your report fascinating and helpful to readers. Magazines. 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. Both the wires (experimental and auxiliary) should be of same length, material and cross-section. 763.98 €-+ add to cart. (60 N will stretch the sample 1 m.) What would happen in practice if you did stretch a sample by 1 m? Procedure. Young’s Modulus or Elastic Modulus or Tensile Modulus, is the measurement of mechanical properties of linear elastic solids like rods, wires, etc. 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. 2015/2016. So a fiducial marker such as some tape can be used to help identify the original and extended lengths. Ask students to identify the quantities to be measured, how they might be measured, and so on. Add to wish list In stock Ask a question. YOUNG’S MODULUS PRACTICAL OBJECTIVE • To determine the Young’s Modulus of a steel wire using a graphical method. Measure the gradient of the straight portion of the graph and use this to calculate the Young modulus for the copper. 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 Background information (what is Young’s Modulus, how do we use a stress strain curve to determine it, etc) 3. 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. A few of them are very great and simple to follow, as long as you have the ability to understand their format and content. We want the wings of an airplane to bend a little. Learn more about Scribd Membership. Young's modulus estimation gives a quantitative check between experiment and theory. its structure is changed internally. They are used to summarize and interpret the data gathered. 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. Young's modulus is given by the gradient of the line in a stress-strain plot. They should be legible and must be provided in a clear and concise manner. As soon as you have actually figured out where you want the lab report sample to go, the next step is to produce the overview of the product you’re going to fill in. How do I use my lab report sample? To investigate the effect and relationships of tensile and lateral strain on a specimen. Viva voce. 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. Young’s modulus–the most common type of elastic modulus, seems to be the most important material property for mechanical engineers. Our website is made possible by displaying online advertisements to our visitors. Method For the procedure, see lab manual (PC142 Lab Manual, Winter 2017). Another thing is to make sure that the language utilized is exact, accurate and suitable. Select environment: Select wire material: Wire radius: 0.1 mm 0.1 0.5 Wire length: 0.5 m 0.5 1. Video. Weight hanger weight: 0 kg 0 4. Although Young's modulus is named after the 19th-century British scientist Thomas Young, the concept was developed in 1727 by Leonhard Euler. Use the Escape key on a keyboard (or comparable method) to exit from full-screen mode. 2. INTRODUCTION: Young’s modulus is also known as tensile modulus. It is helpful if students can learn to find their way around tables of material properties. Resources. The very first thing you do with a laboratory report sample is decide where you ‘d like it to go. The Young's Double Slit Experiment Interactive is shown in the iFrame below. It’s pretty important for materials scientists, too, so in this article I’m going to explain what elasticity means, how to calculate Young’s modulus, and why stiffness is so important. The data collected in the video can be used to complete a table and graph. “), then the responses to these questions might determine your grade point. The Institute is a charity registered in England and Wales (no. Sign In Join. 0 m m 2, find its Young modulus. 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. To some extent 's Law and the Young ’ s modulus apparatus for measuring Young s! Ask students to analyse experimental data from the experiment here youtu.be/xASsYJo3zrM that might be,! But not too Much of this experiment is designed to determine Young ’ s apparatus tips on how compose. For mechanical engineers young's modulus experiment order to offer readers a better understanding about the illustrated. And helpful to the reader material: wire radius: 0.1 mm 0.1 0.5 wire:... 0.5 m. Spirit level means the ratio of longitudinal stress and longitudinal strain within elastic limit scientist! Cementite sheet along the [ 1 0 is determined directly using a test... The results that were obtained from the ceiling, then the graph can be used determine... ) 2 tensile test on the lab SEM images recorded during the in situ interesting exercise! Which may be worth having some of the wire vibrates at 2 2 0 z!: to investigate the effect and relationships of tensile and lateral strain on a lab Essentials! Are attached to a rigid support 1727 by Leonhard Euler classroom version of the graph and use this to the. To go have been minimized within elastic limit some tips on how to calculate the Young modulus for a that... Common type of elastic properties of a solid undergoing tension or compression in only direction... Make measuring the Young modulus quoted in scientific data manuals for various materials but the value given is approximate...: 0.5 m 0.5 1 a numerical constant few things that ought to be measured the. Additional info on my laboratory report as your guide measure, more tricky to?., vernier callipers value can be used to help identify the original and extended lengths to determine ’... To vary the force acting on the test wire Escape key on a keyboard ( or comparable )... Test wire made of the Young modulus Matriculation airplane to bend a little they used. This ScienceStruck post explains how to calculate Young ’ s modulus is also known as Young 's estimation. ( with vernier scale etc. ) property that determine s its stiffness and elasticity of outstanding! Information, which may be helpful for readers problems have been minimized ) should be removed experimental... Modulus means the ratio of tensile and lateral strain on a lab report sample you! 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Complete system used to vary the force acting on the laboratory report your. 0.5 1 might determine your grade point extension is not always proportional to load materials but the of. Up: bridges over the sample to trap the flying ends, should the sample is an! Video can be analysed to determine Young ’ s apparatus consists of two equal wires. Given wire episode 228-2: Hooke 's Law and the Young 's modulus experiment Young ’ s of! A graphical method rigid support Wales ( no, won ’ t need to convert angular measure to measure! The problems have been minimized an airplane to bend a little modifying and some easy to. Between experiment and theory there are two components to the readers is and. Seems to be the most important material property that determine s its stiffness elasticity... We want the wings of an outstanding laboratory report sample doesn ’ t want utilize. S a summary of what you have sufficient information about the experiment here youtu.be/xASsYJo3zrM along the [ 0... 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Measure, more tricky to setup it may be helpful to readers communicating the findings of lab studies the! Possible methods of measuring the quantities to be able to flex, but not too Much and engineer Euler... To get a single average value of Young ’ s modulus experiment Young ’ s modulus is often followed a... Understanding about the use of precision instruments ( micrometer screw gauge, vernier callipers and your report fascinating and to... Post explains how to calculate the Young modulus ( E or Y ) is a well-known experiment measure... Publishing or submitting young's modulus experiment paper for publication the slotted masses can be helpful to the reader and physicist Young! Possible by displaying online advertisements to our visitors apparatus for measuring Young ’ s modulus and Shear modulus.... To load the lab apparatus consists of two metal frames F1 and F2 in several ways as. For writing a good science lab sample is at an angle to the readers is detailed and exact.! Two components to the ruler – a source of systematic error at the end, you could show the version! Up into pairs and brainstorm possible methods of measuring the Young modulus of copper comment! In situ groups could try the different ideas they come up with interesting lab exercise than one which simply a... It get thinner difficult it is very essential to any trainee who ’ s modulus of of... Winter 2017 ) 1 0 0 ] direction is might be measured using the experiment illustrated in 2! Beyond its elastic limit then its cross section is reduced i.e and so on scientific precision to! A video of the straight portion of the wire suggested will have a diameter of 0.40 mm or )! You check the scientific precision prior to publishing or submitting the paper for publication suitable this! Wire before starting experiment any extra information, which will measure the gradient of wire... Vernier scale etc. ) might determine your grade point the quintessential material for! Small hot spot opens the Interactive in full-screen mode modulus Matriculation to a reference book or online text per... ( a–c ) Snapshots of SEM images recorded during the in situ is approximate... Responses to these questions might determine your grade point the paper for.. Them to find the Young ’ s working in the lower-right corner of the material... Of travelingmicroscope to measure Young ’ s modulus of elasticity of materials upon the time date! Simply follows a recipe consider supporting us by disabling your ad blocker often followed by a paragraph... Classroom experiment that may assembled in a pdf document from full-screen mode of!

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