# Angular impulse

From Mech

This article is about the analogue, from linear motion to angular motion, of:impulse

## Definition

The **angular impulse** created by a (possibly time-varying) torque over a time period is dfefined as the integral of the torque over the time period. In other words, the angular impulse created by a torque from time to time is defined as the integral:

## Units and dimensions

Question | Answer |
---|---|

Scalar or vector? | Vector |

Instantaneous or time-cumulative | Time-cumulative |

MLT dimensions | : MLT;1;2;-1 |

SI units | (Joule-second) or (kilograms peter squared per second) |