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Pendulums. Simple Harmonic Motion. Simple Harmonic Motion. Pendulums and Springs are very similar. They repeat the same cycle of motion over and over and over. This is called Simple Harmonic Motion. Amplitude = Displacement. Amplitude: How far away from the equilibrium position

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pendulums

Pendulums

Simple Harmonic Motion

simple harmonic motion
Simple Harmonic Motion
  • Pendulums and Springs are very similar.
  • They repeat the same cycle of motion over and over and over.
  • This is called Simple Harmonic Motion
amplitude displacement
Amplitude = Displacement
  • Amplitude: How far away from the equilibrium position

the pendulum

swings.

period
Period
  • Period: The amount of time needed for the pendulum to complete

one full cycle.

A B

From ‘A’ to ‘B’ & back to ‘A’ again

period1
Period
  • For a pendulum the formula for Period is:

L= pendulum length

  • To find frequency (the number of cycles per second) (Hz):
practice
Practice
  • Pg. 379, Practice B