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Choose the correct alternatives :

A

for a general rotational motion, angular momentum `L` and angular velocity `omega` need not be parallel.

B

for a rotational motion about a fixed axis, angular momentum `L` and angular velocity `omega` are always parallel.

C

for a general translational motion, momentum `p` and velocity `v` are always perpendicular.

D

for a general translational motion, acceleration a and velocity v are always parallel.

Text Solution

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The correct Answer is:
A
For a genral rational motion, where axis of rotation is not symmetric angular momentum `L` and angular velocity `omega` need not be parallel. For a general translational motion momentum `p=mv`, hence `p` and `v` are always parallel
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