Action Reaction

Complete the law:

For every action, there is an ____________ reaction.

• equal and opposite

• equal

• opposite

• bigger and better

Tags

NGSS.MS-PS2-1

Complete the statement:

When an object is pushed, it __________________ with an equal and opposite force.

• always pushes back

• pushes back if it has a larger mass

• pushes back it if has a smaller mass

• will not push back

Tags

NGSS.MS-PS2-1

An archer shoots an arrow. The action force is the bowstring against the arrow, the reaction force is...

• Air resistance against the bow
• the arrow's push against the bowstring
• the grip of the archer's hand on the bow

Tags

NGSS.MS-PS2-1

A player throws a ball. The action force is the player impact on the ball. The reaction force is...

• The force of the ball impact on the player
• The force of the grip of the ball
• The celebration the player is thinking of

Tags

NGSS.MS-PS2-1

A player hits a ball with a bat. The action force is the impact of the bat against the ball. The reaction force is...

• The grip of the player's hands on the ball
• the air resistance of the ball
• the force of the ball against the bat

Tags

NGSS.MS-PS2-1

According to Newton's third law forces come in pairs?

• True
• False

Tags

NGSS.MS-PS2-1

When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?

• The cannon moving forward
• The cannonball moving forward
• The cannon moving backward
• The cannonball moving backward

Tags

NGSS.MS-PS2-1

During P.E., your soccer ball collides with the goalie. What happens to the soccer ball?

• It stops moving completely

• It accelerates at the same rate and in the same direction as the goalie.

• It accelerates more and in a different direction than the goalie.

• It continues moving at the same velocity as before

Tags

NGSS.MS-PS2-1

The illustration to the right shows a student about to throw a ball while standing on a skateboard. Which illustration below correctly shows the skateboard’s direction of motion after the student releases the ball?

• 
• 
• 
• 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

After shooting a cannonball, a cannon recoils with a much lower velocity than the cannonball. This is primarily because, compared to the cannonball, the cannon has a —

• much greater mass

• smaller amount of momentum

• greater kinetic energy

• smaller force applied to it

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2