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HOOKES LAW
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For more information: • http://www.7activestudio.com • [email protected] • http://www.7activemedical.com/ • [email protected] • http://www.sciencetuts.com/ • [email protected] • Contact: +91- 9700061777, • 040-64501777 / 65864777 • • 7 Active Technology Solutions Pvt.Ltd. is an educational 3D digital content provider for K-12. We also customise the content as per your requirement for companies platform providers colleges etc . 7 Active driving force The Joy of Happy Learning -- is what makes difference from other digital content providers. We consider Student needs, Lecturer needs and College needs in designing the 3D 2D Animated Video Lectures. We are carrying a huge 3D Digital Library ready to use. • HOOKE'S LAW: Experimental study by Hooke revealed that elastic bodies regain their original configuration completely, only up to a limit. He termed this limit as the elastic limit. He found that within the elastic limit, the extension produced in the wire was directly proportional to the load applied i.e. Stress is directly proportional to strain • Stress = E strain.Where, E is constant and is called modulus of elasticity of the material of the body.Let us perform an experiment to understand Hooke’s law. Experimental verification of Hooke's law: The apparatus is set as shown above. The weights are loaded one by one and unloaded one by one to bring the spring to its elastic mode. Weights are then added in the pan and reading of pointer on the scale is noted. Some more weights are added and the readings are noted once again. The difference between the two gives the extension in the spring due to the weights added in the pan. The procedure is repeated for other weights. On plotting a graph between the load and extension, one gets a straight line as shown below. Thus, the graph verifies the Hooke's law.
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