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5/32 MCQs for:

MOTION: Simple harmonic motion (SHM)

A simple pendulum consists of a mass M attached to a weightless string of length L. For this system, when undergoing small oscillations:

The frequency is proportional to the amplitude.

The frequency is independent of the mass M.

The period is proportional to the amplitude.

The frequency is independent of the length L.

Doubling only the amplitude of a vibrating mass-and-spring system produces what effect on the system's mechanical energy?

Increases the energy by a factor of two.

Increases the energy by a factor of four.

increases the energy by a factor of three.

Produces no change.

When the length of a simple pendulum is tripled, the time for one complete vibration increases by a factor of:

1.7.

1.4.

2.

3.

Curve C in the figure represents:

An underdamped situation.

An overdamped situation.

Critical damping.

A moderately damped situation.

Curve A in the figure represents:

An underdamped situation.

An overdamped situation.

A moderately damped situation.

Critical damping.