Name _____________________________

Newton’s Third Law

Practice

Watch this video about Newton’s third law of motion, and then answer the questions below.

  1. Outline the action and reaction demonstrated by the astronauts in the video. Why does wearing the battery pack affect the motion of the astronaut named Alexander?

  1. Describe an example of Newton’s cradle.

  1. How do space vehicles apply action and reaction forces to blast off?

Review

  1. State Newton’s third law of motion.

  1. Describe an example of an action and reaction. Identify the forces and their directions.

  1. Explain why action and reaction forces are not balanced forces.

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