Action and Reaction Pairs: Newton's Third Law

When a swimmer is swimming, their arms push BACKWARDS against the water. In turn, the water pushes __________ against their arms allowing the swimmer to swim.

• DOWN

• UP

• FORWARD

• BACKWARD

Tags

NGSS.MS-PS2-1

When you are jumping at a trampoline park, you push DOWN against the trampoline. In turn, the trampoline pushes __________ against you allowing you to bounce.

• DOWN

• UP

• FORWARD

• BACKWARD

Tags

NGSS.MS-PS2-1

When Kyrie Irving dribbles, he pushes the ball DOWN against the court. In turn, the floor pushes __________ against the ball allowing it to bounce.

• DOWN

• UP

• FORWARD

• BACKWARD

Tags

NGSS.MS-PS2-1

Be careful if you are ever chopping wood with an axe! She slams the axe DOWNWARD on the stump and the stump pushes the axe _______________ toward her face with equal force! Ouch!

• UPWARD

• DOWNWARD

• FORWARD

• BACKWARD

Tags

NGSS.MS-PS2-1

The man in the black shirt made an unfortunate mistake. He pushed himself FORWARD to get off of the boat. In turn, the boat was pushed _______________. This was not good for others trying to get off the boat.

• UPWARD

• DOWNWARD

• FORWARD

• BACKWARD

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Newton's Third Law States...

• Objects in motion stay in motion and objects at rest stay at rest

• Force is equal to mass times acceleration

• For each action there is an equal and opposite reaction

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

What is the reaction force to a foot pushing down on the floor?

• The foot going through the floor

• The floor pushing back against the foot

• The floor breaking to the foot

According to Newton's Third law the strength or magnitude of forces will be...

• smaller

• equal

• larger

Tags

NGSS.MS-PS2-1

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

• True

• False

Tags

NGSS.MS-PS2-1