when a force of 50n is applied to the free end of an elastic cord, an extension of 4cm is produced in the cord. calculate the workdone on the cord
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Answer:
Force= F= 50N
Extension= e= 4cm= 0.04m
Workdone= ½Fe
= ½(50)(0.04)
=50×0.02
= 50×2/100
= 2/2
= 1
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