1. A force with varying magnitude Fx is applied on anobject and the displacement of the object is recorded interms of x. The applied force is then plotted as afunction of displacement and the curve shown in thefigure is obtained. It is observed that between x = 0 andx = 9 m, the force is proportional to the square root ofdisplacement:Fx=c√√xFr181260024Determine the work done by Fx on the object to move the object from:(a) x = 0 to x = 4 m(b) x = 0 to x = 9m(c) x = 4 to x = 9m68Here, Fx is measured in Newtons and x in meters, and the constant of proportionalitybetween Fx and x is estimated to be c = 6.I

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