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A wire fixed at the upper & stretches by...

A wire fixed at the upper & stretches by length l by applying a force F. What is the work done by stretching the wire ?

A

2Fl

B

Fl

C

F/2l

D

Fl/2

Text Solution

Verified by Experts

Work done in stretching the wire,
`W = (1)/(2)` stretching force `xx` increase in length `= (1)/(2) Fl`.
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