Action and Reaction Pairs: Newton's Third Law

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

Newton’s 3rd law states that for every action, there is an equal and _______ reaction.

• balanced

• opposite

• unbalanced

Tags

NGSS.MS-PS2-1

Newton’s 3rd law is also known as the law of _______.

• inertia

• action & reaction

• force & acceleration

Tags

NGSS.MS-PS2-1

Based on Newton’s 3rd law, the force pairs always act on _______.

• different objects

• the same object

• objects in motion

Tags

NGSS.MS-PS2-1

A bug hits a windshield. The force of the bug on the windshield is _______ the force of the windshield on the bug.

• greater than

• less than

• the same as

Tags

NGSS.MS-PS2-1

For every action there is an equal and opposite reaction.

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

Tags

NGSS.MS-PS2-1

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

• east

• west

Tags

NGSS.MS-PS2-1

Forces always occur _______.

• in the same direction

• alone

• in pairs

Tags

NGSS.MS-PS2-1

A rock on the ground weighs 40 N. How much force does the ground exert on the rock?

• 20 N

• 0 N

• 40 N

Tags

NGSS.MS-PS2-2

The bat hits a ball. What is the reaction force?

• gravity pulling the ball down

• the ball hits the bat

• air resistance slowing the ball down

Tags

NGSS.MS-PS2-1