Imagine you are trying to loosen a stuck bolt with a wrench by pushing on the en

Question

Imagine you are trying to loosen a stuck bolt with a wrench by pushing on the end of the handle. Which of the following describes the lever arm vector in this situation?

a. The lever arm vector points from the end of the handle to the bolt.

b. The lever arm vector points from the bolt to the end of the handle.

c. The lever arm vector points in the same direction as the pushing force.

d. The lever arm vector points in the opposite direction as the pushing force.

e. The lever arm vector is counterclockwise.

Explanation / Answer

b. The lever arm vector points from the bolt to the end of the handle.

The lever arm is defined as the perpendicular distance from the axis of rotation to the line of action of the force.

Torque = Force X Liver Arm.

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