## Rahul sits in a chair reading a book. Which force is equal to the force Rahul exerts on Earth?

Question

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## Answers ( )

Answer:Rahul’s weight

Explanation:In fact, the force Rahul exerts on Earth corresponds to the force of gravity. But Rahul’s weight is, in fact, the force of gravity exerted by the Earth on Rahul, and these two forces correspond to the action-reaction pair of Newton’s third law, which states that the two forces are equal.

Using formulas, Rahul’s weight is equal to

W=mg

where m is Rahul mass and g is the gravitational acceleration (g=9.81 m/s^2).

In fact, the force Rahul exerts on Earth corresponds to the force of gravity. But Rahul’s weight is, in fact, the force of gravity exerted by the Earth on Rahul, and these two forces correspond to the action-reaction pair of Newton’s third law, which states that the two forces are equal.