Question

Answer in brief
1. Write short notes on positive, negative and zero work



Please tell answer for Maharashtra board 9 th standard answer​

Answer 1

Answer:

Positive work done – The work done is said to be positive when force and displacement are in the same direction. Hence, work is positive. Zero work – the work done is said to be zero when force and displacement are perpendicular to each other. ... Hence, work is negative

Answer 2

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HERE IS UR ANSWER

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Positive work done – The work done is said to be positive when force and displacement are in the same direction. Hence, work is positive

Zero work – the work done is said to be zero when force and displacement are perpendicular to each other.

Negative work done --When the force acting on the body and its displacement are in opposite direction, negative work is done