A string is wound round the rim of a mounted fly wheel of mass and radius . A steady pull of is applied on the cord. Neglecting friction and mass of the string, the angular acceleration of the wheel is |
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a) |
b) |
c) |
d) |

A string is wound round the rim of a mounted fly wheel of mass and radius . A steady pull of is applied on the cord. Neglecting friction and mass of the string, the angular acceleration of the wheel is |
||||||||

a) |
b) |
c) |
d) |

1 Answer

127 votes

**(c)**

Here,

Moment of inertia of flywheel about its axis is

As

Where is the angular acceleration

127 votes

127