Question

how does energy of an object changes when it performs work or this done on it​

Answer 1

Answer:

Work changes the amount of mechanical and internal energy possessed by objects. When work is done on a system or object, energy is added to it. When work is done by a system or object, it gives some of its energy to something else. Throwing a ball means a hand applies a force as an arm swings forward.

Answer 2

Answer:

work changes the amount of mechanical and internal energy possessed the objects . when work is done on a system or object , energy is added to it . when work done by system or object , it give some of its energy