What is Dimensional Formula of Torque?

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Force causes accelerations and Torque causes angular accelerations.Torque is proportional to the distance between the rotation axis and the point of application of the force (the point at which the force is applied).

Mathematically, Torque is defined as product of Angular acceleration and Moment of Inertia. Its formula is

Torque = Angular Acceleration X Moment of Inertia

Dimensional Formula of Angular Acceleration = M0L0T-2
Dimensional Formula of Moment of Inertia= M1L2T0

Putting these values in above equation we get
Dimensional Formula of Torque= M1L2T-2
SI unit of Torque is N m

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  • abhineet singh May 6, 2013 at 7:53 am

    torque is nothing but a force but in rotating system
    the force causes acceleration but torque causes angular acceleration

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    throgh this i got the formula of torque

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