Ball and socket joint

Journal bearing

Lead screw and nut

Cam and follower

less

more

same

none of these

longitudinal vibration

torsional vibration

transverse vibration

damped free vibration

increases

decreases

remains unaffected

first increases and then decreases

All points of the disc have the same velocity

The centre of the disc has zero acceleration

The centre of the disc has centrifugal acceleration

The point on the disc making contact with the plane surface has zero acceleration