Question

Newton's first law of motion states that an object will maintain its current state of motion unless acted on by an unbalanced net force.
Which of the following statements is not a proper application of this law to an object's motion?

Dave cannot throw a bowling ball as high in the air as a golf ball.

When Alex slams on the brakes in his car, his body flies forward until stopped by the seatbelt.

The air hockey puck struck by Brian moves in a straight line until it hits a wall.

A rock remains motionless on the ground until Jacob kicks it.

Answer 1

It's option A for sure.