Newton's Third Law Quiz
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Questions and Answers

What does Newton's third law of motion state?

  • For every action there is a reaction of lesser magnitude
  • For every action there is a reaction that cancels out the action
  • For every action there is an equal and opposite reaction (correct)
  • For every action there is a reaction in the same direction

    • What is the reaction force when a person exerts a force on the water using a paddle in a rowboat?

  • The paddle exerts a reaction force on the person
  • The water exerts a reaction force on the person and the rowboat (correct)
  • There is no reaction force in this scenario
  • The person and the rowboat exert a reaction force on the water

    • Why don't the action and reaction forces cancel each other out according to Newton's third law?

  • Because the forces are exerted by different people
  • Because the forces have different magnitudes
  • Because the forces act on different objects (correct)
  • Because the forces are in the same direction

    • What is another name for Newton's third law of motion?

    <p>Action-reaction law</p> Signup and view all the answers

    In the example of the rowboat, what force does the person exert on the water using the oar?

    <p>An action force</p> Signup and view all the answers

    What is the necessary condition for the cancellation of motion to occur according to Newton's third law of motion?

    <p>Both action and reaction forces are exerted on the same object</p> Signup and view all the answers

    In the case of a rowboat on water, what allows the rowboat to move forward through the water?

    <p>The force exerted on the water by the person in the rowboat</p> Signup and view all the answers

    How do rocket ships and fighter jets demonstrate Newton's third law of motion?

    <p>The action force of the engines propels the mass of the rocket or fighter jet, and the reaction force is exerted by the expanding gases</p> Signup and view all the answers

    What is the role of the ground in propelling a car forward according to Newton's third law of motion?

    <p>The action force of the engine and tires spinning is exerted backwards on the ground, and the reaction force of the ground is exerted on the car pushing it forward</p> Signup and view all the answers

    How can Newton's third law of motion be applied to generate electricity?

    <p>A water mill uses the action force of flowing water on a wheel to create a reaction force that turns an induction generator, producing electricity</p> Signup and view all the answers

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