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Assertion :The amount of extension in an elastic spring varies directly as the weight hing on it. If a weight of 150 gm produces an extension of 2.9 cm, then the weight
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The extension of an elastic spring is found to vary directly with the weightnsuspended from it. If a weight of 75 kg produces an extension of ( 1.4 mathrm { cm } , )
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Elasticity Hooke's Law : the extension in an elastic string is proportional to the applied force . T = x = extension l = natural length = - ppt video online download