A person used force (F), shown in the figure | vedclass

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In figure no. $(a)$ and $(c)$, a constant force equal to mg sinq is required. After reaching the highest point, in case of figure $(c)$, no force is r

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In figure no. $(a)$ and $(c)$, a constant force equal to mg sinq is required. After reaching the highest point, in case of figure $(c)$, no force is required but in case of figure $(a)$, body travels on its own. So a $-ve$ force is acting on the body. In this way, figure $(a)$ represents the given $F -x$ curve.

A person used force $(F)$, shown in the figure to move a load with a constant velocity on a given surface Identify the correct surface profile

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