Periodic motion & Waves

Among all the things that move, what makes some have periodic motion?

• motion repeated regularly

• motion in 1 direction (vector)

• motion accelerates

• motion cancels another motion

Tags

NGSS.HS-PS4-1

Which 2 of these types of motion are periodic?

• asteroids hitting Earth

• Earth rotating on axis

• earthquakes striking LA

• pendulum swinging

The period (T) for the rotation of Earth around the Sun is

• 24 hours

• 1 year

• 1 month

• 1 week

Tags

NGSS.HS-ESS1-4

If the x axis is time, what is the interval from peak to peak called?

• the crests

• the rotation

• the period or wavelength

• the original oscillation

Tags

NGSS.HS-PS4-1

What is the distance of the light grey lines called?

• depth

• hertz

• wavelength

• amplitude

Tags

NGSS.HS-PS4-1

Why does the Foucault Pendulum generate a pattern like this and not a simple back and force trace?

• friction distorts it

• gravity from the moon

• rotation of the Earth

• magnetic shift in the Earth

Tags

NGSS.HS-PS2-4

Which of these basically demonstrate simple harmonic motion?

• pendulum clock

• tuning fork

• bungee jumper

• all of the above

Tags

NGSS.HS-PS4-1

Which person would bounce up and down on a bungee cord faster - one weighing 500 N or 900 N?

• 500 N

• 900 N

• Same

• Not enough information

Tags

NGSS.HS-PS2-1

What purpose do the shock absorbers on vehicles serve?

• to transform energy into simple harmonic motion

• to supply opposite energy to a bounce

• to remove energy from a bouncing spring

• To create wave patterns

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-3

Which of these oscillate

• a decellerating car

• a heart rate monitor

• a falling object

• a plucked guitar string

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3