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Action - Reaction Principle HTML5

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Summary

Newton's Third law of motion states that:
"For every action there is always an opposite and equal reaction". To enable the rocket to lift off , the action (thrust) from the engine must be greater than the weight of the rocket. The same condition applies to the balloon or Yosemite Sam (Copyright Warner Bros).

Click on to stop the movie.
Check action and/or reaction button to display the corresponding force.

Learning goals

  • To illustrate Newton's Third law of motion.
  • To explain how propulsion moves things forward by pushing something out of the back.

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The Law of Action-Reaction is the third of Newton’s Laws of Motion. The others – the Law of Inertia (a body will maintain its state of motion unless acted upon by a net external force) and the…

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