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Work and Energy, Power, Law of conservation of energy, Work is said to be…
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Work is said to be done when a force acts on an object and it produces a displacement in the direction of force.
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Work done is zero when the displacement is zero or when both the force and displacement are perpendicular to each other
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The gravitational potential energy of an object at a point above the ground is defined as the work done in raising it
from the ground to that point against gravity
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