Q. 94.9( 17 Votes )

What is potential energy? Derive an equation for gravitational potential energy of a body of mass ‘m’ at a height ‘h’.

Answer :

Potential energy of a body is its ability to do work, whereas gravitational potential energy of an body is its ability to do work in gravitational force.

Consider a object of mass ‘m’ raised to a height ‘h’ above the ground. The minimum force required to raise the object is mg. The object gains energy equal to work done on it.



W = Force Displacement


W =mgh


W = mgh


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