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chapter 12 PS

on the properties of waves

QuestionAnswer
motion in one direction... Linear motion
motion that occures again and again... repetitive motion
very small and rapid... vibrations
larger and slower.... oscillations
repeats at a constant rate like the ticking of a clock... periodic motion
example of a periodically oscillating system... pendulum
when it hangs straight down being pulled by gravity resting position
farthest away from resting position and is reached twice.... Amplitude
the time it takes to complete one cycle of a system and is measured in seconds... period
the rate at which cycles repeat... frequency
the pull that wants to restore the string to resting position... restoring force
restoring force happens when an object is... not at rest
the farther away from rest the_____ the restoring force greater
the greater the mass, the______ it will vibrate and the____ its period will be. Slower,longer
the effect of friction on Period motion damping
damping makes aplitude get______ over time smaller
to over come damping you must... add more energy
the opposite of damping; makes amplitude get bigger over time... resonance
mass attached to an arm at a pivot point that swings under the influence of gravity... pendulums
the ______ of the pendulum arm affects the period length
Created by: kevingurl
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