Question

Derive expression of potential energy.

Answer 1

Derivation for the equation of Potenstial Energy:

Let the work done on the object against gravity = W

                Work done, W = force × displacement

                Work done, W  = mg × h

                Work done, W = mgh

Since workdone on the object is equal to mgh, an energy equal  to mgh units is gained by the object . This is the potential energy (Ep) of the object.

                             Ep = mgh

Answer 2

Derivation for the equation of Potenstial Energy: Let the work done on the object against gravity = W                  Work done, W = force × displacement                  Work done, W  = mg × h                  Work done, W = mghSince workdone on the object is equal to mgh, an energy equal  to mgh units is gained by the object . This is the potential energy (Ep) of the object.
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