Physics
Intermediate

Torque

Rotational effect of a force about a pivot.

Formula

τ=rFsinθ\tau = rF\sin\theta

Variables

rLever arm
FForce
\thetaAngle

Example

Longer wrench, more torque

Did You Know?

A long wrench multiplies your torque, which is why a cheater bar loosens a stubborn bolt so easily.