Should the sample be arranged vertically or horizontally? It is not a problem to try to find samples of lab reports readily available online on the Web. 2015/2016. The value of the Young's Modulus is quoted in scientific data manuals for various materials but the value given is only approximate. Then you’re ready to write. Feedback. 3. Comments. Searle’s apparatus is used for the measurement of Young’s modulus. 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. Both the wires (experimental and auxiliary) should be of same length, material and cross-section. Theory. 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. Kinks should be removed from experimental wire before starting experiment. The reference wire supports a vernier scale, which will measure the extension of the test wire. Our use of materials characterises our history (Stone Age, Iron Age, etc.) Although Young's modulus is named after the 19th-century British scientist Thomas Young, the concept was developed in 1727 by Leonhard Euler. Young’s modulus is the ratio of tensile stress to tensile strain. The experiment consists of two long straight wires of the same length and equal radius, suspended side by side from a fixed rigid support. The reference wire and test wire made of the selected material are hung from the ceiling. Composing a good science lab sample is important if you wish to make your research study and your report fascinating and helpful to readers. 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: Result Precautions. Young’s Modulus and Poisson’s Ratio Solid Mechanics Lab #2 Hyungjun Kang 00939822 9/9/2014 Purpose: 1. Alternative metal wires can be used of course. Procedure. (60 N will stretch the sample 1 m.) What would happen in practice if you did stretch a sample by 1 m? If your teacher is asking you to compose a lab report, it’s an excellent concept to check out over this page, too. Of course. Questions 1. The wire suggested will have a … A lab report sample is basically a beginning, middle, and end. Video. 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. It’s a summary of what you have actually done. English. Episode 228-2: Hooke's law and the Young modulus (Word, 75 KB). Lab Report Young Modulus Matriculation – A lab report is basically how you describe what you’ve carried out in a lab experiment, what you discovered, and the outcomes. An improvement of Searle's method is suggested by B. Sutar and others .The authors suggested application of single-slit diffraction in Searle's apparatus toimprove measurement accuracy of Young's modulus. Young’s Modulus is the ratio of stress to strain. Select environment: Select wire material: Wire radius: 0.1 mm 0.1 0.5 Wire length: 0.5 m 0.5 1. It is a measure of the stiffness of a material that is independent of the particular sample of a substance. AppliedStatics (eme1016) Uploaded by. ⇒ 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. 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. Give your students a table and ask them to find values of the Young modulus. 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. 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 So a fiducial marker such as some tape can be used to help identify the original and extended lengths. Upload. 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; Being able to find and understand Young’s Modulus is important to us because engineers reference these values to determine if a material will have elasticity to support the design it is in. 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. There is a small hot spot in the top-left corner. Some of these are Bulk modulus and Shear modulus etc. Spherometer. For samples too stiff to extend easily (e.g. For instance, on a lab report sample, a question like “What is your GPA for this experiment?”. and is calculated using the formula below: Upload. In its fundamental mode, the wire vibrates at 2 2 0 H z. 0 5 c m apart. 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. Set up (diagram or description) 4. Abstract In this experiment the moduli of elasticity were measured for four different "off the shelf" materials: 20 gauge copper wire, 22 gauge copper wire, 30 pound fishing line and 20 gauge brass wire. This is the last page of any laboratory report. You should not forget to include any extra information, which may be helpful for readers. 2. It consists of two metal frames. Lab Report Essentials is very essential to any trainee who’s working in the lab. 4 mins read. Young’s modulus–the most common type of elastic modulus, seems to be the most important material property for mechanical engineers. The basic concept behind Young's modulus was described by Swiss scientist and engineer Leonhard Euler in 1727. Information about the use of precision instruments (micrometer screw gauge, Vernier callipers and Vernier microscope). Cite this Simulator: Developed by Amrita Vishwa Vidyapeetham & CDAC Mumbai. Student experiment: Measuring the Young modulus You can make measuring the Young modulus E a more interesting lab exercise than one which simply follows a recipe. 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. You can also read some tips on how to compose a great report in the following area. For instance, if the trainee’s teacher requires him or her to write a thesis declaration (a research paper), you can put that here. It should also be total and useful. Can I consist of additional info on my laboratory report sample? In 1782, Italian scientist Giordano Riccati performed experiments leading to modern calculations of the modulus. Sheet Music. You should not include the time, date and location of the laboratory’s closure. An elastic modulus of = E 400 GPa d is also within the range of reported values for cementite particles [29, 30]. 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. Questions involving stress, strain and the Young modulus, including data-handling. Different groups could try the different ideas they come up with. 16-19. Young’s Modulus. Measure the gradient of the straight portion of the graph and use this to calculate the Young modulus for the copper. The aim of this experiment is to determine the Young modulus for a copper wire. Both the wires should be supported from same rigid support. Experimental Determination Of Young's Modulus. in the class. a 5% strain is 0.05. Young's modulus, the Young modulus or the modulus of elasticity in tension, is a mechanical property that measures the tensile stiffness of a solid material. Show result. View Answer . Finally, ensure that you check the scientific precision prior to publishing or submitting the paper for publication. helpful 120 13. E.g. Original length – what does this correspond to for a particular experimental set up? 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? If the area of cross section of the wire is 1. Save my name, email, and website in this browser for the next time I comment. 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. It was named for the 18th-century English physician and physicist Thomas Young. 56 Resources. Theory. For the horizontal set up: bridges over the sample to trap the flying ends, should the sample snap. 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. There are two components to the assessment of practical work: Questions in the... For 16-19 Young's Modulus Statics Experiment Full Report. 2. Young's modulus is given by the gradient of the line in a stress-strain plot. In the experiment in the video above, we measured the Young’s modulus of some copper wire which does not extend very much. Episode 228-1: The Young modulus (Word, 53 KB). This ScienceStruck post explains how to calculate Young’s modulus, and its relation to temperature changes and Hooke’s Law. Young's modulus is given by the gradient of the line in a stress-strain plot. 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. Aim of this experiment is to find the Young's modulus of the given material by uniform bending using pin and microscope method. good and superb. YOUNG’S MODULUS PRACTICAL OBJECTIVE • To determine the Young’s Modulus of a steel wire using a graphical method. “), then the responses to these questions might determine your grade point. Young Modulus - Physics A-level Required Practical - YouTube Aim of this experiment is to find the Young's modulus of the given material by uniform bending using pin and microscope method. 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. 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. 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. It is denoted by Y. Cite this Simulator: Developed by Amrita Vishwa Vidyapeetham & CDAC Mumbai. There are a few things that ought to be born in mind when composing a laboratory report. 293851) and Scotland (no. They should be legible and must be provided in a clear and concise manner. en Change Language. A worksheet to enable students to analyse experimental data from the Young’s Modulus experiment. Light fr… A lab report is generally utilized for communicating the findings of lab studies. Experiment: Determination of Young’s Modulus. Resources. Describe a good technique for measuring the diameter. It is helpful if students can learn to find their way around tables of material properties. 3. Young's Modulus Experiment Lab report for Youngs Modulus Experiment. Clicking/tapping the hot spot opens the Interactive in full-screen mode. Con: need to convert angular measure to linear measure, more tricky to setup? Academic year. Divide the class up into pairs and brainstorm possible methods of measuring the quantities above, including the pros and cons of their methods. a box containing old cloth. The steel frame of an earthquake-resistant building has to be able to flex, but not too much . Note that in the set up above, the sample is at an angle to the ruler – a source of systematic error. (Potential engineering students will benefit greatly from this.). Theory. 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 measures pressure and is typically computed in terms of pascals (Pa). Young’s modulus, used as a numerical constant. Multimedia University. There is a small hot spot in the top-left corner. 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. In this part, you’re normally anticipated to compose a conclusion to the report; compose a summary of your findings; and provide a brief description of your findings. 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. Our aim is to determine the Young’s modulus of elasticity of the material of a given wire using Searle’s apparatus. The very first thing you do with a laboratory report sample is decide where you ‘d like it to go. 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. Animation. There is a second hot-spot in the lower-right corner of the iFrame. Clicking/tapping the hot spot opens the Interactive in full-screen mode. Theory: Young’s modulus means the ratio of longitudinal stress and longitudinal strain within elastic limit. (It will probably snap!). You can make measuring the Young modulus E a more interesting lab exercise than one which simply follows a recipe. Note that values are often given in GPa (1 × 109 Pa). Share. Simulator. There are some other numbers exists which provide us a measure of elastic properties of a material. There is an alternative experiment to measure Young's modulus. Young’s modulus Experiment Young’s modulus Experiment. Laboratory reports are used to explain the research study results. 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. length and surface area). The same value can be used to get a single average value of Young’s modulus Y. Stress is defined as the force per unit area; strain is the ratio of length of deflection over its initia l length. All it takes is a little modifying and some easy rearranging to turn it into the best report. Saved. 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. 763.98 €-+ add to cart. Cross-sectional area: introduce the use of micrometer and/or vernier callipers. Related Questions to study. Practical Activity Students should wear eye protection, provide safe landing for the load should sample break, e.g. Today's classroom version of the same experiment is typically performed using a laser beam as the source. Date of its closure 0 is determined directly using a typical experimental arrangement of an outstanding laboratory report sample you... M 2, find its Young modulus, including the pros and cons of their methods to be in. 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