11/13/2022 0 Comments Simple harmonic motion definition![]() 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 opposite to its displacement) and hence it will exhibit SHM.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 Thus, the middle particle experiences a net force that will be along -ve x-direction (i.e. Then the force exerts by the charge at point B on it will be greater than the force exerts by the charge at point A. Now if the middle particle is displaced from its position by a distance dr towards either side of the middle point O (say along +ve x-direction) as shown in Fig (b). It is clear that the net force on the charge in the middle will be zero. Let us consider a charged particle having charge +q is present exactly in the middle of two other identical charged particles present at points A and B respectively as shown in Fig (a). ![]() The time required to complete one cycle is called time period T and the number of cycles per unit time is called frequency. ![]() The maximum displacement of the particle from the equilibrium position is called amplitude A. Simple harmonic motion (SHM) is an oscillatory motion of a particle about an equilibrium position under a restoring force that is proportional to the displacement from the equilibrium position and in the opposite direction of the displacement. ![]()
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