Multiple choice

If you pull a wagon through the grass which part of your force is doing the work?

  1. the upward force on the handle

  2. the downward force of your feet

  3. the forward force of your pull

  4. the force of friction from the grass
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Work is only done by the component of the force that is in the direction of the object's displacement. When pulling a wagon, the forward component of your pull is what causes the displacement.

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