Question

When a body falls freely towards the earth, then its total energy (1)

a) increases

b) decreases

c) remains constant

d) first increases and then decreases​

Answer 1

Answer:

increases

Explanation:

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Answer 2

Answer:

c) remains constant

Explanation:

Law of conservation of energy states that the energy can neither be created nor destroyed but can be transformed from one form to another.

The sum of the potential energy and the kinetic energy is the total energy. When a body of mass m falls freely from a height h, the potential energy at height h is mgh and the kinetic energy at a height h-x = mgh and the total energy at the point reaching the ground is also mgh.

Hence, the total energy of the body remains constant at every point.