Question

Forces applied to a body bring a change in its state of motion if

• A. the body is already in motion.
• B. the body is at rest
• C. the forces are balanced
• D. the forces are unbalanced.

Answer 1

The correct option is D the forces are unbalanced.

An unbalanced force is responsible for the change in the state of motion of a body, whether the body is in motion or not. Unbalanced force can move a body at rest, stop, or even change the direction of a moving body.