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In physics, work is done on an object only when | StemPy Lab
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In physics, work is done on an object only when
Physics
Easy
High School (9–10)
General
Mechanics › Work, Energy and Power
Created by
StemPy Lab
In physics, work is done on an object only when
the person who pushes it feels tired
it moves, whether or not a force acts along the motion
a force acts on it, whether it moves or not
a force acts on it and it moves along or against the force
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← A waiter carries a tray at a steady height across a level floor. The tray weighs 12 N and he walks 7 m. How much work does his hand do on the tray?
A tractor pulls a trailer with a force of 2.5 kN through 40 m, along the pull. How much work does it do? →
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Mechanics › Work, Energy and Power
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Created by StemPy LabCreated by StemPy Lab