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The work done by a machine is called work output


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work done on the system: when a surrounding does work on the system the total energy increases so work done is positive..........

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white-collar work

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Physics

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Four students are moving 80 N boxes from the floor to a shelf 4 meters high Student A moves 8 boxes in 10 minutes Student B moves 6 boxes in 8 minutes Student C moves 4 boxes in 6 minutes and st

A sailor pulls a 2000 kilogram boat 25 meters along the dock with a rope attached to the boat that makes a 45 degree angle with the dock. How much work is done by the sailor if he exerts a force of 4

A man is carrying cement blocks weighing 200 newtons up a ladder to a platform 7 meters above the ground He has been carrying 2 blocks per minute How much work is done in 10 minutes

A bicycle is an example of what machine

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