Exam 5: Newtons Third Law of Motion: Action and Reaction

A pair of air pucks on an air table are set in motion when a compressed spring between them is released. If one puck moves with twice the speed of the other, then its mass is

The force with which Earth pulls on the Moon is

The force that propels a cannonball when fired from a cannon is

A fast-moving missile soaring overhead possesses

You cannot exert a force on a wall

The force that accelerates the orange and apple system featured in your textbook is actually supplied by the

As the sloped surface supporting a shoe becomes steeper

When you drop a rubber ball on the floor it bounces back. The force exerted on the ball to produce bouncing is by the

The force due to gravity that acts on a block of ice that slides down an icy ramp

A piece of rope is pulled by two people in a tug-of-war. Each exerts a 400-N force. What is the tension in the rope?

Joshua is attracted toward Earth by a 500-N gravitational force. The Earth is attracted toward Joshua with a force of

A Mack truck and a Volkswagen traveling at the same speed have a head-on collision. The vehicle that undergoes the greatest change in velocity will be the

An astronaut of mass 70 kg weighs 700 N on Earth's surface. His weight on the surface of Mars, where the acceleration due to gravity is 3.7 m/s², would be about

Earth pulls on the Moon, and the Moon pulls on Earth, which tells us that

The winner in a tug-of-war exerts the greatest force on

For every action force, there must be a reaction force that

While you stand on the floor you are pulled downward by gravity, and supported upward by the floor. Gravity pulling down and the support force pushing up

When a boxer hits a punching bag, the strength of his punch depends on how much force the bag can

A pair of action-reaction forces always

When you rub your hands together, you