Question

what is work? Explain with an example​

Answer 1

Explanation:

Work: In physics work is said to be done when a force acting on a body displaces it through a certain distance. ... Examples of Positive Work: (1) When a spring is stretched, the work done by the stretching force is positive as the force acts in the direction of displacement of the spring

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Answer 2

Answer:

Work: In physics work is said to be done when a force acting on a body displaces it through a certain distance. ... As work is the dot or scalar product of two vectors (force and displacement), therefore, it is a scalar quantity. Special cases: CaseI: When the body moves in the direction of the force