. What is the importance of universal law of gravitation?
arunabh212:
1. existence of solar system,galaxy 2.revolution of planet around sun
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Newton's universal law of gravitation explains the attractive force between any two objects which have mass. It explains how we are able to stand on earth, why a body thrown up falls to the ground, why planets revolve around the sun and why the moon revolves around the earth, and so on. This law says that as the distance between two objects increases their force of attraction decreases. This explains why we are not pulled towards a distant star even though it is more massive than the Earth. This law leads to the derivation of an expresion for the acceleration due to gravity. Think about it - you may get more points.
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Importance of universal law of gravitation is that explain the motion of planets around the sun; the motion of moon around the earth; and the motion of artificial satellites around the Earth. It also explain the phenomena of rainfall, snowfall, and flow of water in rivers on the earth.
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