Newton's Third Law Review

Newton's third law states that any action will have a(n) _______ and ______ reaction

• Equal and similar
• Equal and opposite
• Equal and different
• Greater and opposite

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

When a small car pushes a big truck, the truck applies an equal and opposite force on the car.

• False

• True

Tags

NGSS.MS-PS2-1

How is this an example of Newton’s Third law?

• Only the ball is using the head

• They are both exerting an equal force on each other

• Only the head is pushing the ball

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NGSS.MS-PS2-1

Action-reaction pairs can cause a change in motion.

• True

• False

Newton's 3rd law of motion is also called the

• law of inertia

• action-reaction law

• law of acceleration

• law of universal gravitation

Newton's 3rd law of motion is based on the premise that one cannot touch something else without

• causing an acceleration

• being touched back by it

• being in motion

• having inertia

In force pairs, the forces are always equal in

• magnitude

• direction

• velocity

• acceleration

The force-pairs, the forces are always opposite in

• size

• magnitude

• mass

• direction

Tags

NGSS.MS-PS2-1

A smart car runs into a large SUV with twice the mass with a force of 600N. The SUV will hit the smart car with ____.

• 300 N of force

• 1200 N of force

• no force

• 600 N of force

Tags

NGSS.MS-PS2-1