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

The periodic time of a particle moving with simple harmonic motion is the time taken by a particle for one complete oscillation.

The periodic time of a particle moving with simple harmonic motion is directly proportional to its angular velocity.

The velocity of a particle moving with simple harmonic motion is zero at the mean position.

The acceleration of the particle moving with simple harmonic motion is maximum at the mean position.

stable

unstable

isochronous

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