SHM Review

A pendulum oscillates as shown. At which of the following positions is the potential energy equal to the total energy?

• A

• B

• C

• Not enough information

Which of these does not affect the period of a pendulum?

• length

• gravity

• mass

As a pendulum gets longer, what happens to the period?

• doesn't change

• decreases

• increases

The period of an ocean wave is 10 s. What is its frequency?

• 10 cycle/second

• 1 cycle/second

• 0.5 cycle/second

• 0.1 cycle/second

Pendulum "A" is on Jupiter Pendulum "B" is on the Moon.  The Moon has less gravity than Jupiter. The pendulums have the same mass and length.  Which Pendulum is moving faster?

• A

• B

• Same

What is the period on Earth of a pendulum with a length of 2.4 m?

• 3.1 s

• 1.5 s

• 0.77 s

• 1.2 sec

A butcher puts 300 g of chopped beef in the 1 kg pan and places it on top of his scale. The scale has a spring constant of 400 N/m. What is the period of vibration of the scale?

• 0.36 s

• 0.02 s

• 5.5 s

• 1.3 s

A simple harmonic oscillator takes 4.8 s to undergo five complete vibrations. What is the frequency? 

• 1 Hz

• 0.96 Hz

• 1 s

• 0.96 s

A simple pendulum has a period of 2 s for small amplitude oscillations.

The length of the pendulum is most nearly

• 1/6 m

• 1/4 m

• 1/2 m

• 1 m

• 2 m

What is the amplitude of this motion?