State and prove the work energy theorem for constant force.

State work energy theorem.

State work energy theorem.

According to the work- energy theorem, work done by a force on a body is equal to change in its kinetic energy. Prove the theorem.

State and prove the law of conservation of energy for a freely falling body.

State and Prove the theorem of total probability

State and explain the work done in the following situation : A man spending his energy by pushing on a concrete wall.