Question

an object of mass m is allowed ti fall freely from point A as shown in the figure calculate the mechanical energy at i) point A
ii) point B

Answer 1

that will be the answer at A and at B mechanical energy will be same even also at C due to THE PRINCIPAL OF CONSERVATION OF ENERGY

Answer 2

Explanation:

Mechanical energy is the energy that is possessed by an object due to its motion or due to its position. Mechanical energy can be either kinetic energy (energy of motion) or potential energy (stored energy of position).

A moving car possesses mechanical energy due to its motion (kinetic energy).