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Question
The work done by a force →F=(−6x3^i)N in displacing a particle from x=4m to x=−2m is?
The work done by a force →F=(−6x3^i)N in displacing a particle from x=4m to x=−2m is?
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Solution
The correct option is B 360J
W=∫F.dx=∫−24−6x3dx
=−32x4−24=−32(16−256)=360
W=∫F.dx=∫−24−6x3dx
=−32x4−24=−32(16−256)=360
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