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)
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)
Question ID - 52629 | SaraNextGen Top Answer
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)
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A string is wound round the rim of a mounted fly wheel of mass |
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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 : (c) -
(c)
Here, 
Moment of inertia of flywheel about its axis is
.png)
As 
Where 
is the angular acceleration
127 votes
Answer Link
127