A golf ball is at rest on the grass. What must happen to cause the ball to move?

A balanced net force must be applied.
An unbalanced net force must be applied.
The net force must be zero.
The net force must be greater than the applied force.

1 answer

To cause the golf ball, which is at rest, to move, an unbalanced net force must be applied. According to Newton's first law of motion, an object at rest will remain at rest unless acted upon by an unbalanced force. Therefore, the correct answer is:

An unbalanced net force must be applied.