Set up (diagram or description) 4. 2. 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. Depending upon the time available, it may be worth having some of the ideas already set up. It is denoted by Y. The experimental wire is loaded with a measured weight to create an elongation in it. This is the last page of any laboratory report. Upload. Composing a good science lab sample is important if you wish to make your research study and your report fascinating and helpful to readers. Note that values are often given in GPa (1 × 109 Pa). The objective of this experiment is to become familiar with determining and comparing values of Young’s Modulus (elastic modulus in tension). Explain why a long wire is most suitable for this experiment. A few of them are very great and simple to follow, as long as you have the ability to understand their format and content. Video. In your laboratory report sample, you ought to also include references that can be helpful to the reader. Ask students to identify the quantities to be measured, how they might be measured, and so on. Share. Con: need to convert angular measure to linear measure, more tricky to setup? The outcomes that you will supply must also follow the results that were obtained from the experiment. 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 . a box containing old cloth. Episode 228-2: Hooke's law and the Young modulus (Word, 75 KB). Young's modulus (E or Y) is a measure of a solid's stiffness or resistance to elastic deformation under load. Theory. If the area of cross section of the wire is 1. 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. (It will probably snap!). This experiment makes use of travelingmicroscope to measure elongation of the wire. Information about the use of precision instruments (micrometer screw gauge, Vernier callipers and Vernier microscope). Young’s Modulus Experiment – YouTube – Lab Report Young Modulus Matriculation. INTRODUCTION: Young’s modulus is also known as tensile modulus. 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. It is helpful if students can learn to find their way around tables of material properties. Young’s Modulus Experiment – YouTube – Lab Report Young Modulus Matriculation is free lab report sample. Read free for days Sign In; Much more than documents. Practical Activity Procedure. You should not forget to include any extra information, which may be helpful for readers. The experimentis explained in this YouTube Video. Young’s modulus is the ratio of tensile stress to tensile strain. Experimental Determination Of Young's Modulus. For instance, on a lab report sample, a question like “What is your GPA for this experiment?”. Chai Hao. Viva voce. 0 5 c m apart. View Answer . Related documents. ⇒ 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. Add to wish list In stock Ask a question. How do I use my lab report sample? Young’s Modulus. Cyberphysics – Young’s Modulus – Lab Report Young Modulus Matriculation. 16-19. Young's Modulus. Questions 1. Young’s Modulus is the ratio of stress to strain. Aim Course. Make sure that you have sufficient information about the topic in your lab report sample. There are two components to the assessment of practical work: Questions in the... For 16-19 Then you’re ready to write. length and surface area). 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. Sign In Join. Please sign in or register to post comments. 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). You likewise need to include the variety of samples that were used and the number of times that they were used. There are many examples online that might be extremely valuable. JO. It was named for the 18th-century English physician and physicist Thomas Young. 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. Simulator. Young's Modulus. Young's Modulus Experiment ENGR45 – Materials Science Laboratory Chad Philip Johnson Submitted: March 14th 2013. To gain knowledge in use of the instrumentation to conduct the above investigation. For samples too stiff to extend easily (e.g. In the experiment in the video above, we measured the Young’s modulus of some copper wire which does not extend very much. Note that in the set up above, the sample is at an angle to the ruler – a source of systematic error. The Young's Double Slit Experiment Interactive is shown in the iFrame below. Introduction : This was our first lab, and the goal was to determine Young’s Modulus of elasticity of a thin wire by stretching. There are some other numbers exists which provide us a measure of elastic properties of a material. Searle’s apparatus consists of two metal frames F1 and F2. Lab Report Sample is often followed by a last paragraph. The Young modulus is often regarded as the quintessential material property, and students can learn to measure it. 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. Animation. Give your students a table and ask them to find values of the Young modulus. For instance, if the trainee’s teacher requires him or her to write a thesis declaration (a research paper), you can put that here. What should I place on the laboratory report sample? 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: Students should wear eye protection, provide safe landing for the load should sample break, e.g. Close suggestions. Method For the procedure, see lab manual (PC142 Lab Manual, Winter 2017). Episode 228-3: Materials database (Word, 115 KB). Young’s Modulus or Elastic Modulus or Tensile Modulus, is the measurement of mechanical properties of linear elastic solids like rods, wires, etc. To determine Young’s modulus of elasticity of the material of a given wire. Research a value for the Young modulus of copper and comment on your result. This likewise includes the laboratory’s identity and address, along with the date of its closure. The steel frame of an earthquake-resistant building has to be able to flex, but not too much . Young's modulus is a measure of how difficult it is to compress a material, such as steel. Resources. Would you like to write for us? What are the other pages in lab report sample? Magazines. Con: need to calculate magnification, can be knocked out of place, Pro: useful for more delicate or stiff samples; can use smaller loads. (60 N will stretch the sample 1 m.) What would happen in practice if you did stretch a sample by 1 m? Original length – what does this correspond to for a particular experimental set up? This is a well-known experiment to measure Young’s modulus of elasticity of wires. Animation. Young’s modulus, used as a numerical constant. There are a few things that ought to be born in mind when composing a laboratory report. Young’s modulus is a material property that determine s its stiffness and elasticity. 763.98 €-+ add to cart. The formula of young’s modulus is stress by strain. 4 Resources. Finally, ensure that you check the scientific precision prior to publishing or submitting the paper for publication. Today's classroom version of the same experiment is typically performed using a laser beam as the source. E.g. In the experiment in the video above, we measured the Young’s modulus of some copper wire which does not extend very much. The writeup of this experiment is given in a pdf document . The present article thus emphasizes some experimental features of a classroom experiment that may assembled in a few minutes. 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. The hardness and elasticity of the material are profoundly affected. 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? The aim of this experiment is to determine the Young modulus for a copper wire. (Scholz et al., 2008). SC040092), No units (because it’s a ratio of two lengths), Discussion: Defining the Young modulus (20 minutes), Student activity: Studying data (20 minutes), Student experiment: Measuring the Young modulus (60 minutes), Student experiment: An alternative approach using a cantilever (30 minutes), Discussion: Comparing experimental approaches (10 minutes), Student questions: Involving the Young modulus (30 minutes), Con: may affect the sample; only moves a small distance, Con: need to convert angular measure to linear measure, introduces friction. 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. Theory. Is the sample uniform? Comments. It consists of two equal length wires that are attached to a 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. 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. What needs to be measured? 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. Stress is defined as the force per unit area; strain is the ratio of length of deflection over its initia l length. Spherometer. 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. Home. Of course. 2. 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. The Young Modulus is also known as Young's Modulus or the elastic modulus or tensile modulus.. So a fiducial marker such as some tape can be used to help identify the original and extended lengths. 3. Can I consist of additional info on my laboratory report sample? Measure the gradient of the straight portion of the graph and use this to calculate the Young modulus for the copper. It consists of two metal frames. Figure 3. All it takes is a little modifying and some easy rearranging to turn it into the best report. Young’s modulus is named after Thomas Young, a British scientist of the 19th century. 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. It is the measure of elasticity and it is a very important characteristic of a material. 3. But the rigid body is an idealization. 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. Young’s modulus Experiment Young’s modulus Experiment. It is a measure of the stiffness of a material that is independent of the particular sample of a substance. 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. It’s a summary of what you have actually done. Snapshots. Saved. They are used to summarize and interpret the data gathered. The basic concept behind Young's modulus was described by Swiss scientist and engineer Leonhard Euler in 1727. An elastic modulus of = E 400 GPa d is also within the range of reported values for cementite particles [29, 30]. 3. When a metal wire is stretched beyond its elastic limit then its cross section is reduced i.e. Related Questions to study. Young’s Modulus and Poisson’s Ratio Solid Mechanics Lab #2 Hyungjun Kang 00939822 9/9/2014 Purpose: 1. Cite this Simulator: Developed by Amrita Vishwa Vidyapeetham & CDAC Mumbai. English. It should also be total and useful. Result Precautions. 14-16. 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. 2 Apparatus required For writing a good laboratory report sample, you can utilize the template of an outstanding laboratory report as your guide. 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. Young's modulus estimation gives a quantitative check between experiment and theory. Young Modulus - Physics A-level Required Practical - YouTube Demonstration: By stretching confectionery laces, students learn that extension is not always proportional to load. 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. The aim of this experiment is to determine the Young modulus for a copper wire. Podcasts. The reference wire supports a vernier scale, which will measure the extension of the test wire. 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. We want the wings of an airplane to bend a little. and point out how the problems have been minimized. 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. a 5% strain is 0.05. Both the wires (experimental and auxiliary) should be of same length, material and cross-section. Young's modulus is given by the gradient of the line in a stress-strain plot. The Theory Before we move ahead, do you know what a Searle’s apparatus is? Purpose This experiment is designed to determine Young’s modulus for a wire when it is stretched. Nvis 6040 Young`s Modulus Setup is a complete system used to determine Young`s Modulus of Elasticity of materials. Method 5. The Young's Double Slit Experiment Interactive is shown in the iFrame below. The same value can be used to get a single average value of Young’s modulus Y. The reference wire supports a vernier scale, which will measure the extension of the test wire. helpful 120 13. YOUNG’S MODULUS PRACTICAL OBJECTIVE • To determine the Young’s Modulus of a steel wire using a graphical method. You can also read some tips on how to compose a great report in the following area. A lab report sample is basically a beginning, middle, and end. Episode 228-6: Measure for measure (Word, 82 KB), An alternative approach to measuring the Young modulus is to bend a cantilever. its structure is changed internally. 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. Show result. The wire suggested will have a diameter of 0.40 mm or less). Good experimental practice: measure extension when adding to the load and when unloading, to check for any plastic behaviour. Aim of this experiment is to find the Young's modulus of the given material by uniform bending using pin and microscope method. These changes increase with repeated drawings. Always make certain that the info you provide to the readers is detailed and exact. Bestsellers. The reference wire and test wire made of the selected material are hung from the ceiling. Should the sample be arranged vertically or horizontally? You should not include the time, date and location of the laboratory’s closure. Apparatus for Measuring Young’s Modulus Apparatus for Measuring Young’s Modulus . Simulator. Laboratory reports are used to explain the research study results. Search Search. Experiment: Determination of Young’s Modulus. Cross-sectional area: introduce the use of micrometer and/or vernier callipers. Method For the procedure, see lab manual (PC142 Lab Manual, Winter 2017). Y = σ ε. Different groups could try the different ideas they come up with. 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. There is a small hot spot in the top-left corner. 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. Rigid bodies do not bend, stretch or squeeze when forces act on them. 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 . Risk Assessment 6. Our website is made possible by displaying online advertisements to our visitors. Select environment: Select wire material: Wire radius: 0.1 mm 0.1 0.5 Wire length: 0.5 m 0.5 1. (Potential engineering students will benefit greatly from this.). A device dubbed the "Young's Modulus Apparatus" was assembled for the purposes of this experiement and used for the testing of each material. Measure the gradient of the straight portion of the graph and use this to calculate the Young modulus for the copper. 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