Simple Harmonic Motion

Which of the following is not an example of approximate simple harmonic motion?

• a ball bouncing on the floor
• a child swinging on a swing
• a piano wire that has been struck
• a car's radio antenna waving back and forth

A mass attached to a spring vibrates back and forth. At the equilibrium position, the

• acceleration reaches a maximum.
• velocity reaches a maximum.
• net force reaches a maximum.
• velocity reaches zero.

The motion of a metronome is an example of simple ____________________ motion.

• waveform
• lyric
• harmonic
• geometric

A mass-spring system can oscillate with simple harmonic motion because a compressed or stretched spring has which kind of energy?

• kinetic
• mechanical
• gravitational potential
• elastic potential

The angle between the string of a pendulum at its equilibrium position and at its maximum displacement is the pendulum’s

• period.
• frequency.
• vibration.
• amplitude.

For a system in simple harmonic motion, which of the following is the time required to complete a cycle of motion?

• amplitude
• period
• frequency
• revolution

For a system in simple harmonic motion, which of the following is the number of cycles or vibrations per unit of time?

• amplitude
• period
• frequency
• revolution

How are frequency and period related in simple harmonic motion?

• They are directly related.
• They are inversely related.
• Their sum is constant.
• Both measure the number of cycles per unit of time.

If a force of 20 N stretches a spring 0.5 m, what is the spring constant?

• 10 N/m
• 20 N/m
• 40 N/cm
• 40 N/m

How much displacement will a coil spring with a spring constant of 110 N/m achieve if it is stretched by a 70 N force?

• 0.636 m
• 63.6 m
• 1.57 m
• 157 m