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Chemistry

21 August, 18:05

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.