Question

what are the importants of universal law of gravitysnal?

Answer 1

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universal law of gravitation has a lot of importance

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◼Newton's law of universal gravitation states that a particle attracts every other particle in the universe with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers

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⭐1)with the help of this we can understand the force experience by various planets , stars with each other

⭐2)we can understand how and why the planets revolve around the sun and how satellite revolved around the planets

⭐3)it explains how the planets are held by the sun and why don't they fall on sun

⭐4)it can also explain how is tided formed of earth , it can be due to the gravitational forces of sun moon etc as there will be low tides on no moon day and high tides on new moon day

⭐5)it can also explain how far the gravitational force exists between the bodies in the universe 

⭐6)gravity in different planets is different and there is a universal gravitational constant whose values is 6.674 x 

⭐gravitational force is a long range force but it is the weakest force..........♠♠♠

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Answer 2

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$\large{\mathbf{\pink{\underline{Importance\: Of\: Universal\: Law\: Of\: Gravitation}}}}$

⇒ 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.

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