If you place a pipe over the end of a wrench when trying to rotate a stubborn bolt, effectively making the wrench handle twice as long, you'll multiply the torque by
A)two.
B)four.
C)eight.

Question

Quizplus · Accepted Answer

Torque is the force that rotates an object around an axis, and it is equal to the force applied multiplied by the perpendicular distance from the axis to the line of action of the force. When you place a pipe over the end of a wrench, you increase this distance and therefore increase the torque applied to the stubborn bolt. The multiplication factor depends on the length of the pipe and the length of the wrench handle. However, since the question only specifies that the pipe doubles the length of the handle, the torque will also double. Therefore, the answer is A) two.

If You Place a Pipe Over the End of a Wrench