62 : When the load suspended from the end of a wire is increased from 2 kg to 7 kg, the extension produced in the wire increases from 0.5 mm to 1 mm. Find the work done during extension of the wire. (g = 9.8 m/s²)

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62 : When the load suspended from the end
of a wire is increased from 2 kg to 7 kg, the
extension produced in the wire increases from.
0.5 mm to 1 mm. Find the work done during
extension of the wire. (g = 9.8 m/s?)
Transcribed Image Text:62 : When the load suspended from the end of a wire is increased from 2 kg to 7 kg, the extension produced in the wire increases from. 0.5 mm to 1 mm. Find the work done during extension of the wire. (g = 9.8 m/s?)
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