Newton's Third Law: Action/Reaction Forces

Action: Cannon pushes on cannonball

• Reaction: Cannonball flies forward

• Reaction: Cannonball pushes back on cannon

• Reaction: Cannonball falls to the ground

• Reaction: Cannonball pushes into the air

Tags

NGSS.MS-PS2-1

Action and reaction force pairs can never cause equilibrium.

• True

• False

Action: Gravitational attraction pulls a book down

• Reaction: A surface or the ground pushes the book up

• Reaction: The book pulls back on the Earth

• Reaction: The book falls to the ground

• Reaction: The book pushes against a surface or the ground.

Tags

NGSS.MS-PS2-4

Action: A swimmer pushes the water backwards

• Reaction: The swimmer moves forward

• Reaction: The water pushes the swimmer forward

• Reaction: The swimmer is tired

• Reaction: The water moves backward

Tags

NGSS.MS-PS2-1

Action: Mrs. Scarborough pushes on the wall.

• Reaction: The wall pushes Mrs. Scarborough back.

• Reaction: The wall moves.

• Reaction: A friction force with the ground keeps Mrs. Scarborough in place.

• Reaction: The wall absorbs her force.

Tags

NGSS.MS-PS2-1

Action: A baseball player throws a ball.

• Reaction: The ball flies through the air.

• Reaction: The ball pushes back on the player's hand.

• Reaction: The ball falls to the ground.

• Reaction: The ball pushes on the air.

Tags

NGSS.MS-PS2-1

A force can be exerted by one object on itself.

• True

• False

Tags

NGSS.MS-PS2-1

What is the action force when a basketball is bounced against the floor?

• The ball exerts a force on the floor.

• The floor exerts a force on the ball.

• The ball moves down.

• The ball moves up.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the reaction force when a person jumps up?

• The person pushes on the ground.

• The ground pushes the person up.

• The person moves upwards.

• The person moves downwards.

Tags

NGSS.MS-PS2-2

What will happen when a person jumps off of a canoe?

• The canoe will continue in the same direction as it was moving before.

• The canoe will remain stationary.

• The canoe will move in the direction of the person jumping.

• The canoe will move backwards from the direction of the jump.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2