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cestrela7 [59]
2 years ago
12

A person sits at rest on a chair. The gravitational force on the person (their weight) is one half of an action-reaction pair. W

hich force is the other half?
Physics
1 answer:
Feliz [49]2 years ago
7 0

Normal is the  other half of an action-reaction pair

If a person is sitting on a chair , there must be a gravitation force acting in downward direction which is equal to the weight of that person . That means the person is exerting a force on the chair equal to its weight . But the person is not falling down the chair , because of newtons third law of motion .

There must be a counter force which is equal and opposite to the force exerted by the person on the chair , in order to make net force equal to zero and to make that man in stationary state ( no movement )  .That force is called Normal force which is been acted by the chair on the person .This implies Normal is the  other half of an action-reaction pair

learn more about Force:

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