![]() The negative signs signifies that the acceleration is always is always pointing back towards the mean position 4.1.4 Solve problems using the defining equation for SHM. The acceleration is caused by a restoring force that always pointing to the mean position and is proportional to the displacement from the mean position. ![]() Simple harmonic motion is defined as the motion that takes place when the acceleration, a, is always directed towards and is proportional to its displacement from a fixed point. 4.1.3 Define simple harmonic motion (SHM) and state the defining equation as If they are moving together they are said to be in phase. Phase difference - the measure of how "in step" different particles are. ![]() Period - the time taken for a complete oscillation ![]() Kinematics of simple harmonic motion (SHM) 4.1.1 Describe examples of oscillations.Ī mass attached to a spring attached to a wall that oscillates back and forth.Ĥ.1.2 Define the terms displacement, amplitude, frequency, period and phase difference.ĭisplacement - The instantaneous distance of the moving object from its mean positionĪmplitude - The maximum displacement achievable from the mean positionįrequency - The number of oscillations completed per unit time ![]()
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