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When a force tends to make an object turn on an axis (around a pivot point) one can define the moment (or torque) of this force in relation to the pivot point.

- To define the moment (or torque) of a force.
- To illustrate the calculation of a vector product.
- To show the conditions necessary to obtain zero moment.

In Mechanics, the study of the **moment **of a **rotating body** is the equivalent of the study of **forces **for bodies undergoing **translation**.

The vector moment is a function of the force and the…