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Four identical uniform rods of mass M=6k...


Four identical uniform rods of mass `M=6kg` each are welded at their ends to form a square and then welded to a uniform ring having mass m=4kg & radius R=1m the system is allowed to roll down on the rough and fixed incline of inclination `theta=30^(@)` (assume no sliding anywhere)
Q. The acceleration of centre of mass of system is

A

6g downwards

B

6g upwards

C

`(35g)/(6)` upwards

D

`(35g)/(6)` downwards

Text Solution

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The correct Answer is:
C
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Four identical uniform rods of mass M=6kg each are welded at their ends to form a square and then welded to a uniform ring having mass m=4kg & radius R=1m the system is allowed to roll down on the rough and fixed incline of inclination theta=30^(@) (assume no sliding anywhere) Q. The moment of inertia of system about the axis of ring will be-

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