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Linear Motion
A motion that goes from point a to point b (e.g a car going down the highway)
Periodic Motion
Any repeating motion (e.g a spinning bottle cap)
Harmonic Motion
Repeating motion with a restoring force (e.g a pendulum swinging)
Oscillator
A device that moves and repeats (e.g a tuning fork)
Restoring Force
A force that brings a system back to rest (e.g gravity)
Cycle
One full back and forth motion (e.g a pendulum getting back to where it was released)
Period
The time it takes for one cycle (e.g 4.6 seconds for a cycle)
Amplitude
How far a pendulum gets from its original position (e.g 30°)
Frequency
The number of cycles per seconds (e.g 20 hertz)
What is the equation to find frequency?
f = 1/T
(f= Frequency)
(T = period)
If the mass goes down, what happens to the period?
The period gets shorter
Bob
The mass of the pendulum
Wave
Energy moving through a pendulum from one place to another
Medium
What a wave travels through
Transverse Wave
Motion of the wave is perpendicular to direction
Crest
Highest point of a wave
Trough
Lowet point of a wave
