Moment Equation

Reference from the original Physics I textbook.

Moment Equation

$\vec{M} = \vec{r} \times \vec{F}$

$\vec{M} = Moment (N \cdot m)$
$\vec{r} = Distance to Force from Point of Rotation (m)$
$\vec{F} = Applied Force (N)$

$[1 N \cdot m = \frac{kg \cdot m^{2}}{s^{2}}]$

Gallery6.3.1.1 1 — details in the accompanying text.

Related Glossary Terms

Torque↗, Torque Equation in terms of Angular Acceleration

Index

Chapter 6 - Angular Forces

Chapter 6 - FFR - Rotational Energy

Glossary and deeper reading · 1 refreshers

These editorial refreshers supplement the reading. Definitions and examples are added guidance; original source wording and recorded answers remain in their original context.

Torque
Torque describes a force’s turning effect about a chosen axis or point. Its magnitude is force times the perpendicular lever arm, and its direction or sign describes the rotation tendency. For example, pushing near the handle of a door produces more torque than the same perpendicular push near the hinge.
Read more: Torque →

Moment Equation

Torque

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