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CBSE Class 9 Science Question 4 of 33

Gravitation — Question 4

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Question 4

The earth and the moon are attracted to each other by gravitational force. Does the earth attract the moon with a force that is greater or smaller or the same as the force with which the moon attracts the earth? Why?

Answer

According to universal law of gravitation, two objects with masses attract each other with equal gravitational force, but in opposite directions.

This force is given by: F = G MmR2\dfrac{\text{M}\text{m}}{\text{R}^2}

Hence, the earth attracts the moon with the same force with which the moon attracts the earth.