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The length of steel wire increases by 0.5cm when it is loaded with a weight of 5kg . calculate force constent of the wire and amount of work done in streching the wire.

The length of steel wire increases by 0.5cm when it is loaded with a weight of 5kg . calculate force constent of the wire and amount of work done in streching the wire.

Grade:11

1 Answers

Vikas TU
14149 Points
7 years ago
From F =kx
50 = k*0.5*10^-2
we get,
k = 10^4 N/m
Word done = 0.5kx^2 => 0.5*10^4*0.005^2 => 0.125 J
This would be the work done.

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