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a force acting on a body along Y axiz the direction of motion of the body , if this force produces a potential energy U= Ax^4 , when A =1.2Jm^4 . what is the force acting on the body when the body is at x =0.8m ?
F = -dU/dxhence differntiate w.r.t. x once,F = – (4Ax^3)put A value and x = 0.8 meter.The direction would be in -ve y direction due to minus sign.
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