If a body moves along a frictionless path, its energy remains always the same. Why?
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If a body moves along a frictionless path, its energy remains always the same. Why?
A body does not experience any resisting force, while moving ina frictionless surface. Therefore, no work is done by the body. Hence, it's energy remains constant. ... This is because the net displacement of the object is in the horizontal direction while the force of gravity acts in the vertical downward direction.
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