Last Updated On 01-06-2023 - By Jeesha Sara
A particle of mass 
is rigidly attached at ‘
’ to a ring of mass 
and radius ‘
’. The system is released from rest and rolls without sliding. The angular acceleration of ring just after release is
.png)
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a) |
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b) |
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c) |
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d) |
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Question ID - 100183 :- A particle of mass is rigidly attached at ‘ ’ to a ring of mass and radius ‘ ’. The system is released from rest and rolls without sliding. The angular acceleration of ring just after release is
a)
b)
c)
d)
A particle of mass is rigidly attached at ‘ ’ to a ring of mass and radius ‘ ’. The system is released from rest and rolls without sliding. The angular acceleration of ring just after release is
|
a) |
|
b) |
|
c) |
|
d) |
|
(b)
The distance of CM from the ring centre 
We can apply torque equation about point of contact as the ring is rolling
.png)
Next Question :
A thin uniform rod, pivoted at 
, is rotating in the horizontal plane with constant angular speed 
, as shown in the figure. At time, 
, a small insect starts from 
and moves with constant speed 
with respect to the rod towards the other end. It reaches the end of the rod at 
and stops. The angular speed of the system remains 
throughout. The magnitude of the torque 
on the system about 
, as a function of time is best represented by which plot
.png)
a).png)
b).png)
c).png)
d).png)
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