Question 1

A student bounces a basketball off the gym floor.

Which statement correctly describes the action-reaction force pair that causes the ball to bounce?

Accepted Answer

The gym floor pushes up on the ball as the ball pushes down on the floor with an equal amount of force.

Answer

The gym floor pushes up on the ball with a greater amount of force than the ball pushes down on the floor.

Answer

The gym floor pushes up on the ball as gravity pulls down on the ball with an equal amount of force.

Answer

The gym floor pushes up on the ball with a greater amount of force than gravity pulls down on the ball.

Question 2

The mass, applied force, and frictional force for four carts are shown in the table.

Part A

Based on the data table, which cart has the lowest acceleration?

Accepted Answer

X

Answer

W

Answer

Y

Answer

Z

Question 3

Part B

Which statement BEST explains the correct answer to Part A (Cart X)?

Accepted Answer

The cart will have the lowest acceleration if it has a larger mass and has the least difference between its applied force and friction.

Answer

The cart will have the lowest acceleration if it has a larger mass and its applied force and friction have the greatest sum.

Answer

The cart will have the lowest acceleration if it has a smaller mass and its applied force and friction have the greatest sum.

Answer

The cart will have the lowest acceleration if it has a smaller mass and has the least difference between the applied force and friction.

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