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what is the equation for angular acceleration. T torque around a defined axis Nm I moment of inertia kgm 2 a angular acceleration radianss 2. Angular acceleration is denoted by a and is expressed in the units of rads 2 or radians per second square.
Plug these quantities into the equation. The rate of change of angular velocity is the angular acceleration. When uniform rotation is considered both the average and instantaneous values opt to coincide.
Hence in time t 0 the angular displacement of the particle P is 0.
Lets show how we find the direction of acceleration. The unit of angular acceleration is radianss 2. O v r. The angular acceleration formula is given by.