In which one of the following situations is zero net work done?

Author Question: In which one of the following situations is zero net work done? (Read 1373 times)

TI

Sr. Member
Posts: 434

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

Hero Member
Posts: 512

Reply #1 on: Jun 23, 2013

A box is pulled across a rough floor at constant velocity.

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