Newton's 3rd Law of Motion

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Newton’s Laws of Motion

Newton’s Third Law or the
Law of Action/Reaction

•For every action there is an equal
and opposite reaction

•Ex. – A rocket taking off

© Kesler Science, LLC

Newton’s Laws of Motion

Newton’s Third Law (Cont.)

How does Newton’s Third
Law relate to the Earth’s
plate movements?

Unbalanced forces
create earthquakes,
volcanoes, rift
valleys and other
geological features
when plate are
under tension

Open Ended

Why don't the equal and opposite forces cancel each other out?

Fill in the Blanks

Newton's 3rd Law is also called the Law of

Multiple Choice

Which law is F = M x A

• 1st

• 2nd

• 3rd

Multiple Choice

Which law involves action/reaction pairs?

• 1st

• 2nd

• 3rd

Multiple Choice

Which law is also called the law of inertia?

• 1st

• 2nd

• 3rd

Multiple Choice

Which law explains how rockets take off?

• 1st

• 2nd

• 3rd

Multiple Choice

Which law explains why we should wear seatbelts in a vehicle?

• 1st

• 2nd

• 3rd