The earth revolves around the sun in a nearly circular orbit. how much work done the gravitational force of the sun in anaerly circular orbit and why?
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The Work done by the Earth around the sun is zero because the displacement is zero and by the formula of work done=force * displacement .So it is easily understandable by the formula.
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Answer:
The earth revolves around the sun in a circular path. So, work done on the earth during its motion around the sun is zero because the angle between the direction of the motion and the gravitational force acting on the earth is 90°.
Explanation:
When a body moves along a circular path, the force acts along the radius of the circular path and the motion of the body is in the tangential direction. So, the angle between the direction of motion (displacement) and the force is 90°. As a result, no work is done on a body when it moves along a circular path.
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