essay on concept of gravity
Answers
the force by which earth pull each object towards it called gravity.
Explanation:
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Answer:
Gravity is really an unknown force. We can define it as a field of influence, and that it effects the entire existence of the universe. Some people think that gravity consists of particles called gravitons, which travel at the speed of light. The only thing we do know is how gravity operates in different parts of our universe. Without gravity, there would be no space and time. There is a legend that says that Galileo once dropped two objects off the Leaning Tower of Pisa to show that the heavier of the two objects dropped faster. If a feather and hammer were the two objects he used then obviously the hammer would hit the ground first. This is due to air resistance, which is the force air exerts on a moving object. This force acts in the…show more content…
Terminal velocity is the highest velocity that will be reached by a falling object. As an object falls through air, air resistance gradually increases until it balances the pull of gravity. According to the law of inertia, when the forces acting on an object are balanced, the motion of the object will not change. When this happens, the falling object will stop accelerating. It will continue to fall, but at a constant, final velocity. Newton's laws of motion and law of gravitation can be used to explain the forces, position and motion of all objects in the universe.
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