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A moment of inertia of a solid fly wheel about its axis is 0.1kgm. It is set in rotation by applying a tangential force of 20N, with the rope wound round the circumference, the radius of the wheel being 0.1m. Calculate the angular acceleration of the fly wheel.

A moment of inertia of a solid fly wheel about its axis is 0.1kgm. It is set in rotation by applying a tangential force of 20N, with the rope wound round the circumference, the radius of the wheel being 0.1m. Calculate the angular acceleration of the fly wheel. 

Grade:11

1 Answers

Sonu Saini
27 Points
5 months ago
so,  
     torque = I ἀ         (ἀ is angular acceleration&I is moment of inertia)
      20×0.1 = 0.1×ἀ    (torque provided by tangantial force)
       ἀ = 20 rad/sec^2

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