When is the work done by a force said to be negative? Give one situation in which one of the forces acting on the object is doing positive work and the other is doing negative work?
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Explanation:
When direction of displacement of the object is opposite to the applied force then the work done is said to be negative.
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When force applied to the opposite of displacement it is said to be negative work
When ball is thrown upwards the force acted upon by gravity to stop it or change direction to opposite of its motion is example of negative work
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