Question

Give two examples each for positive and negative work done by a force

Answer 1

positive work done by force are 1)due to force we can walk
2)due to force we can write on black board or paper with chalk or pen
negative work done by force are 1)force is responsible for a lot of wear and tear of moving object . 2) a matchstick rub against a rough surface it catches fire

Answer 2

Answer:

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