Force Pairs U2M1L3

When you push a pole downward on Earth to make a pole vault, Earth exerts an equal force on the pole.

• True

• False

If you push on a wall with a force of 30 N, the force acting on you from the wall is which of the following?

• 0 N

• 10 N

• 20 N

• 30 N

The statement "for every action, there is an equal but opposite reaction" is a statement of ________

• the law of conservation of momentum

• Newton's first law

• Newton's second law

• Newton's third law

When a bug hits a windshield of a car, the force of the car on the bug equals the force of

the bug on the car.

• True

• False

A rocket accelerating in space as a result of gases and the rocket pushing each

other in opposite directions is the best example of ___?

• Newton’s third law of motion

• Newton's second law of motion

• Newton's first law of motion

• Newton's fifth law of motion

Based on Newton's third law of motion, when a person on a skateboard throws a heavy

concrete block to the north, the person will be pushed to the____

• north

• south

• stay still

• west

If you throw a ball into the air, Earth exerts a force on the ball. The ball in the air exerts no

force on Earth.

• True

• False

Kelly sits on a rock in a field. Which of the following correctly name force pairs?

• Kelly pushes on the rock, and the rock pushes on Earth

• Earth pulls on Kelly, and Kelly pulls on Earth

• The rock pushes on Earth, and Earth pulls on the rock

• Kelly pushes on the rock, and the rock pushes on Kelly

Is a balanced force and force pairs the same thing?

• Yes

• No