Newton's Third Law of Motion

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

• Newton's
  1st
  Law of Motion

• Newton's
  2nd
  Law of Motion

• Newton's
  3rd
  Law of Motion

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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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• 1st
• 2nd
• 3rd

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Lauren and Riley are discussing Newton's Third Law. Can you help them by choosing the correct statement?

• An object in motion stays in motion.

• The acceleration of an object is proportional to the net force acting on it.

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

• The force of gravity is inversely proportional to the square of the distance.

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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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Which of the following scenarios is an example of Newton's Third Law of Motion?

• A ball rolling down a hill speeds up.

• A book resting on a table.

• A rocket launching into space.

• An apple falling from a tree.

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Match the following

• 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.

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

• Ball hits bat with 100 N of force.

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

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

• 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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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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Force always come in________

(a)   ​

• waves

• triplets

• pairs

• forces

• mass

• gangs

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