A is right because I took the test
I try to aim a the right key or do typing lessons
Answer:

Explanation:
Vectorially speaking, torque is the cross product between force and distance from fulcrum. Its magnitude is equal to the following expression:


Let assume that force is perpendicular to the distance from the fulcrum. So, the torque needed to turn the bolt is:


No because Newton’s first law is inertia