Other Mechanical Forces - SAT Subject Test in Physics
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Question
A wrench is being used to tighten a bolt. The center of the bolt is the pivot point, and the wrench is 
long. If a force of 
is applied at the midpoint of the wrench and that force is parallel to the wrench, what is the torque?
A wrench is being used to tighten a bolt. The center of the bolt is the pivot point, and the wrench is
Answer
The equation for torque is
The force is applied 
meters from the pivot. and in this case because the force is parallel, the perpendicular component of force is zero, so:
The equation for torque is
The force is applied
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