Newton's Third Law of Motion

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

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

• smaller

• equal

• larger

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Newton's _____ Law of Motion means that for every force there is a reaction force that is equal in size, but opposite in direction.

• First

• Second

• Third

• Fourth

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For every action there is an equal and opposite re-action.

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

• Newton's Fourth Law of Motion

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Newton’s third law says that every time there is an ​ (a)   force, there is also a ​ (b)   force that is ​ (c)   in size and acts in the ​ (d)   direction.

Newton’s third law states that forces must ALWAYS occur in ​ (e)   .

• ACTION

• REACTION

• EQUAL

• OPPOSITE

• PAIRS

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How is this an example of Newton's 3rd Law?

• Only his head is pushing on the ball

• Only the ball is pushing on his head

• Both the ball and the head are exerting equal force on each other

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"For every action, there is an equal and opposite reaction."

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's 4th Law

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Force always come in________

(a)   ​

• waves

• triplets

• pairs

• forces

• mass

• gangs

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Match the following

• Nail pushes back in an opposite directions with 150 N of force.

• 
• As fuel is combusted, the rocket pushes the gases backward and the gases push the rocket forward.

• You jump off of the ground with 200 N of force.

• The ground pushes back in an opposite direction with 200 N of force.

• Ball hits bat with 100 N of force.

• Bat hits ball with 100 N of force in opposite direction.

• Oar of canoe pushes back with 500 N

• Water pushes on oar with 500 N in opposite direction.

• Hammer comes down on nail with 150 N of force.

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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

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