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- by Suyog Neupane 3 months ago

Work-Energy theorem states that “**the work done on a body by a resultant force is equal to the change in kinetic energy of the body**.”

Suppose a body having mass ‘m’ is moving initially with velocity ‘u’ at point P. Let a constant force ‘F’ is applied to the body and the body covers a displacement ‘S'

Form point P to Q as shown in the figure:

This equation shows that the workforce on moving a body is equal to change in kinetic energy of the body. This proves the work-energy theorem.

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