Exhibit: Torque is the measure of a force that produces rotation. A wrench is used to loosen a bolt as shown at the left. The bolt is stuck, so it will require much more torque than is usually needed.
Which replacement given below is most likely to produce the required increase in torque for the wrench?
A . a different color
B . lighter in weight
C . wider
D . shorter
E . longer
Answer: E