give daily life example when work done is zero
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a man standing with a bag whole day
earth rotating around the sun
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If a block is moving on a smooth horizontal surface, no work is done.
You are carrying two bags in your hands and not moving . ...
A person holds a bundle of hay over his head for 30 minutes and gets tired. ...
If you push a wall , but it does not move . ...
You sit on a chair for hours .
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