Pendulum Periodic Motion

When we're talking about a pendulum, what does T stand for?

• pi

• period

• length

• gravity

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

• doesn't change

• decreases

• increases

What is the name of the mass on a pendulum?

• ion

• graviton

• oscillating mass

• bob

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

• length

• gravity

• mass

Which would have the longest period?

Pendulum A: A 200-g mass attached to a 1.0-m length string

Pendulum B: A 400-g mass attached to a 0.5-m length string

• A

• B

• Same

True/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, cycles/second

• wavelength, meters

• amplitude, meters

• period, seconds

Tags

NGSS.HS-PS4-1

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

Which of the following affects the period of a pendulum?

• What planet you're on

• What material is used to make the pendulum

• Which direction the pendulum starts swinging

• The frequency of the mass weight force grams

What is the period of a pendulum

• how many times the pendulum swings before it stops

• how many times the pendulum passes a point in one second

• one complete cycle (complete to and fro motion)

• one complete cycle bouncing up and down