Young's Modulus Experiment

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6 жыл бұрын

Video of the experiment to determine the Young's Modulus of a metal wire using a travelling microscope.
Try the data analysis yourself, download a free worksheet here: physicshq.wixsite.com/alevelp...
Perfect if you're learning physics at home.
Video 2 has the analysis of the results: • Young's Modulus Experi...
Relevant concepts: Young's modulus, stress, strain, metal wire, micrometer, and travelling microscope.
Experiments with materials, like this one, are mandatory practicals for many physics specifications. So this is good practice for OCR physics A, AQA A-Level physics, Edexcel A-Level physics, CPAC, PAG, practical endorsement.

Пікірлер: 20

@yann9915 4 жыл бұрын

Thanks man, clear practical and the important parts we're easily audible, just the parts you were mumbling to yourself were not perfectly clear but i don't think they were necessary to the practical so I'm not fussed. :)

@PhysicsHQ 4 жыл бұрын

😂 thanks! At present I am working on a worksheet to accompany this practical which I hope to have ready fairly soon. I hope it’ll prove useful. And your helpful comment spurs me on!

@keranveermann9418 3 жыл бұрын

This was helpful thanks

@zafry 3 жыл бұрын

Thank you Sir. Really helped me a lot. Once again thank you very much.

@PhysicsHQ 3 жыл бұрын

Glad to hear that, all the best!

@hussainkhan4928 7 ай бұрын

Hi there, Just wondering what were the formula used please?

@amadif1793 2 жыл бұрын

thank you very helpful

@PhysicsHQ 2 жыл бұрын

You’re very welcome. All the best

@ridashaikh8677 Ай бұрын

how did you write the stress and strain on the result table, im confused

@PhysicsHQ Ай бұрын

I wrote extension values. Stress and strain are calculated values - they are calculated from extension, mass, area etc.

@rosspaterson7467 5 жыл бұрын

very useful

@user-fw4yd7fb1b Жыл бұрын

What is the purpose of conducting the experiment?

@PhysicsHQ Жыл бұрын

From this experiment we can find the Young’s modulus of the material (aka elastic modulus) which measures the material stiffness.

@rahulrao2566 5 жыл бұрын

Can u mention the procedure of this exp

@PhysicsHQ 5 жыл бұрын

HI. Sorry if the procedure wasn't clear in my video. If there is a point that I could further clarify I am happy to do so - just let me know what's not clear. Or did you mean that you'd some step by step instructions written out?

@rahulrao2566 5 жыл бұрын

@@PhysicsHQ i m planning this exp for my phys exam so i just asked for the written one

@PhysicsHQ 5 жыл бұрын

Hi. Here are some bullet point steps: • The original length of the test wire is measured using a metre rule from the point of support to the zero on the vernier scale/marker. • The diameter is found, using a micrometer, at various points along its length and an average diameter is calculated. Cross-sectional area is found using πd²/4. • Loads are then placed gently on the wire and the extension of the wire is measured for each one using the vernier scale arrangement / traveling microscope. • After each reading the load should be removed to check that the wire returns to its original length, showing that its elastic limit has not been reached. • Extension measurements are also taken when gradually unloading the masses to give two readings. This allows an average value for the extension to be calculated. • A graph of stress against strain is plotted. The gradient of the straight-line region gives the Young modulus (= stress / strain). • N.B. The wires should be long and thin to give as large an extension as possible for a given load while retaining its elastic properties.

@rahulrao2566 5 жыл бұрын

@@PhysicsHQ thankyou sir..