A body is falling freely under the action of gravity alone in vacuum. Which of the following quantities remain constant during the fall?

Question

A body is falling freely under the action of gravity alone in vacuum. Which of the following quantities remain constant during the fall? (A) Kinetic energy (B) Potential energy (C) Total mechanical energy (D) Total linear momentum

Tardigrade Admin · Accepted Answer

When a body is falling freely under the action of gravity alone in vacuum, its total mechanical energy remains constant during the fall.

Q. A body is falling freely under the action of gravity alone in vacuum. Which of the following quantities remain constant during the fall?

Kinetic energy

Potential energy

Total mechanical energy

Total linear momentum

When a body is falling freely under the action of gravity alone in vacuum, its total mechanical energy remains constant during the fall.