A uniform disc of mass and radius is mounted on a fixed horizontal axis. A block of mass hangs from a massless string that is wrapped around the rim of the disc. The magnitude of the acceleration of the falling block ( ) is |
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a) |
b) |
c) |
d) |

A uniform disc of mass and radius is mounted on a fixed horizontal axis. A block of mass hangs from a massless string that is wrapped around the rim of the disc. The magnitude of the acceleration of the falling block ( ) is |
||||||||

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

1 Answer

127 votes

**(b)**

When pulley has a finite mass and radius ,then tension in two segments of string are different.

Here,

127 votes

127