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GK QUESTION#2988

According to Newton’s third law of motion, which statement correctly describes the relationship between action and reaction?

  1. AAn object continues in its state of rest or motion unless an external force acts on it
  2. BThe change in momentum is directly proportional to the applied force
  3. CFor every action, there is an equal and opposite reactionCorrect answer
  4. DThe reaction force is always greater than the applied force
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Answer

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

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Explanation

Newton’s third law pairs equal and opposite forces acting on different bodies. They therefore do not cancel as two forces on the same body would. The first and second laws describe other aspects of motion.

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