HARMONIC MOTION
PENDULUMS
HARMONIC MOTION GRAPHS
PERIOD AND FREQUENCY
PROPERTIES OF OSCILLATORS
100
Motion that repeats regularly.
What is oscillation?
100
No Effect.
What is the effect of amplitude/mass on the period of a pendulum?
100
Period and amplitude.
What are two things you can determine from a harmonic motion graph?
100
1 / f
What is T?
100
Periodic force.
What is a force that is repeated over and over?
200
Cycle.
What is a unit of motion that repeats over and over again?
200
No effect.
What is the effect of mass/amplitude on the period of a pendulum?
200
Vertical axis.
Where would you put position on a harmonic motion graph?
200
1/T
What is f?
200
Natural frequency.
What is the frequency that an oscillator naturally oscillates?
300
Small oscillations.
What is vibration?
300
Greater this is, the longer the period.
What is the effect of length on the period of a pendulum?
300
Horizontal axis
Where would you put time on a harmonic motion graph?
300
Period.
What is the time for one cycle?
300
Resonance.
What happens when the periodic force has the same frequency as the natural frequency of an oscillator?
400
Earth-sun and Earth-moon
What are two oscillating systems involving the Earth?
400
Gravity
What is the restoring force of a pendulum?
400
Degrees
What do we use to measure phase?
400
Frequency.
What is the number of cycles in one second?
400
A rubber band stretched between two rods.
What is an example of a vibrating string?
500
Sound.
What is a travelling vibration of air molecules?
500
(high - low) / 2
What is the formula for amplitude of a pendulum?
500
Phase.
What tells you exactly where an oscillator is?
500
Hertz.
What is unit of one cycle per second?
500
John Hancock Tower
What is the sky scraper in Boston that had falling windows?
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