Question

iv. Can we talk of a negative work ?Give two examples​

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

Negative work follows when the force has a component opposite or against the displacement. Negative work removes or dissipates energy from the system. Two examples: In pulling a box of books along a rough floor at constant velocity, I do positive work on the box, that is I put energy into the system.