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Author Question: In which one of the following situations is zero net work done? (Read 969 times)

TI

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on: Jun 23, 2013
In which one of the following situations is zero net work done?
A ball rolls down an inclined plane
A child pulls a wagon across a rough surface causing it to accelerate.
A box is pulled across a rough floor at constant velocity.
A projectile falls toward the surface of Earth.
A physics student stretches a spring


aero

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Reply #1 on: Jun 23, 2013
A box is pulled across a rough floor at constant velocity.


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