SHM

Description

A Level A Level (Physics) Mind Map on SHM, created by kangarew97 on 21/11/2014.
kangarew97
Mind Map by kangarew97, updated more than 1 year ago
kangarew97
Created by kangarew97 about 10 years ago
146
1

Resource summary

SHM
  1. Key definitions
    1. Amplitude: max displacement from equilib position
      1. Period: time for one complete oscillation
        1. Phase difference: fraction of an oscillation between the vibrations of two oscillating particles.
          1. Angular frequency: the rate of change of an angle expressed in radians per second.
          2. Requirements of SHM
            1. A mass that oscillates
              1. A position where the mass is in equilibrium
                1. A restoring force that acts to return the mass to its original position, where f is proportional to x.
                2. Simple Harmonic Motion: when -acceleration of a body is proportional to its displacement from the equilib position, when they are both directed towards the equilib position.
                  1. Damped oscillations: when the ampliude of an oscillation descrease as friction transfers its energy to its surroundings.
                    1. Resonance: force mostion of an oscillator, characterised by maximum amplitude when forcing frequency is equal to the natural frequency
                      1. A system in resonance :
                        1. Has a natural frequency to that of the driver
                          1. Amplitude is max
                            1. Absorbs greatest possible energy from the driver.
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