oscillation - S7
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13 Terms
oscillation
objects moving back and forth repeatedly
frequency
the number of times a full cycle is completed (Hz)
period
the time for one cycle
amplitude
how far the object over in it oscillation
to calculate position
x(t)=xmcos(wt+ theta )
angular frequency
w = 2pi/T or 2pif
acceleration
-w2x
force acting on a spring
F = -mw2x or F = -kx
angular frequency of a spring
w = sqrt(k/m)
period of a spring
2pisqrt(m/k)
angular frequency of a simple pendulum
w = sqrt(g/L)
angular frequency of a physical pendulum
w = sqrt (mgd/I)
What is the defining characteristic of the restoring force required for Simple Harmonic Motion (SHM)?
The restoring force must be directly proportional to the displacement from the equilibrium position and always directed towards the equilibrium
Note 
Flashcards (22)