If you push twice as hard against a stationary brick wall, the amount of work you do
A) quadruples.
B) doubles.
C) is cut in half.
D) remains constant but non-zero.
E) remains constant at zero.

Question

Quizplus · Accepted Answer

Work is defined as force applied over a distance. Since the wall does not move, the distance is zero, and thus the work done is zero regardless of the force applied.

If You Push Twice as Hard Against a Stationary Brick