SHM and Wave Characteristics

True or False: The time for a complete back-and-forth swing of a pendulum is its frequency.

• True

• False

The number of cycles that are completed per second is called the ________ and is measured in _________.

• frequency, Hertz

• wavelength, meters

• amplitude, meters

• period, seconds

Tags

NGSS.HS-PS4-1

What variable affects the period of the pendulum?  

• Amplitude
• Mass
• String length
• All variables (amplitude, mass, and string length)

What is the equation for frequency?

• f = t/n
• f = 1/T
• f = 2 T

Tags

NGSS.HS-PS4-1

The period of a pendulum may be decreased by

• Increasing the mass of the bob
• moving the equilibrium point
• decreasing the mass of the bob
• shortening the length of pendulum

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

Tags

NGSS.HS-PS4-1

The period of a pendulum is 10 s. What is its frequency?

• 10 Hz

• 1 Hz

• 0.5 Hz

• 0.1 Hz

Tags

NGSS.HS-PS4-1

You observe that a pendulum completes 45 complete cycles in ninety seconds. What is the frequency of this pendulum?

• 100 m

• 1 Hz

• 0.5 Hz

• 1m/s

Tags

NGSS.HS-PS4-1

Frieda the fly flaps her wings back and forth 100 times each second.  The period of her wings flapping is:

• 100 s
• 0.01 s
• 0.01 Hz
• 100 Hz

Tags

NGSS.HS-PS4-1