A spring 40mm long is stretched by the application of force. If 10n force is requiredyo stretch the spring through 1mm then work done in stretching the spring through 40mm is
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so , displacement=40mm =0.04m
and F required to stretch 1mm = 10n
so F required to stretch 40mm = 10×40
= 400N
W=f×d
=400×0.04 = 10000J
and F required to stretch 1mm = 10n
so F required to stretch 40mm = 10×40
= 400N
W=f×d
=400×0.04 = 10000J
sakshi3198:
wrong
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