The importance of universal law of gravitation can be understood from the following points:
a) All the planets revolve around the sun due to gravitational force between the sun and planets. Hence gravitational force is responsible for the existence of solar system.
b) Tides in oceans are formed due to the gravitational force between the moon and water in oceans.
c) The atmosphere of the earth is attached with it due to gravitational force of earth.
d) Artificial satellites revolve around the earth due to gravitational force of earth.
e) We can stand on the surface of earth due to gravitational force of earth.
