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)
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)
Question ID - 53947 | SaraNextGen Top Answer
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)
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A uniform disc of mass |
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (b) -
(b)
When pulley has a finite mass 
and radius 
,then tension in two segments of string are different.
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Here, 
127 votes
Answer Link
127