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5/32 MCQs for:

MOTION: Simple harmonic motion (SHM)

A mass is attached to a spring of spring constant 60 N/m along a horizontal, frictionless surface. The spring is initially stretched by a force of 5.0 N on the mass and let go. It takes the mass 0.50 s to go back to its equilibrium position when it is oscillating. What is the amplitude?

0.30 m.

0.083 m.

0.030 m.

0.83 m.

A mass m hanging on a spring has a natural frequency f. If the mass is increased to 4m, what is the new natural frequency?

0.5 f.

0.25f.

2 f.

4 f.

Simple pendulum A swings back and forth at twice the frequency of simple pendulum B. Which statement is correct?

Pendulum B is twice as long as A.

The mass of B is four times the mass of A.

Pendulum B is twice as massive as A.

The length of B is four times the length of A.

A mass on a spring undergoes SHM. When the mass is at maximum displacement from equilibrium, its instantaneous acceleration

Is less than maximum, but not zero.

Is a maximum.

Cannot be determined from the information given.

Is zero.

Curve A in the figure represents:

A moderately damped situation.

Critical damping.

An overdamped situation.

An underdamped situation.