Theory of Machine
For dynamic balancing of a shaft

Both (A) and (B)
The net dynamic force acting on the shaft is equal to zero
None of these
The net couple due to the dynamic forces acting on the shaft is equal to zero

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Theory of Machine
A body in motion will be subjected to Coriolis acceleration when that body is

In plane rotation with variable velocity
Restrained to rotate while sliding over another body
In plane motion which is a resultant of plane translation and rotation
In plane translation with variable velocity

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