Applicable for A-Level, IB, DSE, AP-Level Exams

Particle Physics    Quantum Physics    Waves    Optics    Mechanics    Materials    Electricity    Circular Motion    Simple Harmonic Motion    Thermal Physics    Gravitational Fields    Electric Fields    Capacitors    Magnetic Fields    Electromagnetic Induction    Radioactivity    Nuclear Energy    Discovery of the Electron    Wave-Particle Duality    Special Relativity   

Simple Harmonic Motion

Simple Harmonic Motion

SHM is a special type of periodic motion where the restoring force on a moving object is porportional to the object's displacement magnitude. Please note that derivations of SHM equations are not usually required within your exams, however, derivations using calculus are included for your interest.

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Harmonic Systems

There are two main harmonic systems: The Mass Spring System and the Simple Pendulum.

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Energy and SHM

The total energy of a simple harmonic system is always constant as it is the sum of the kinetic and potential energies of the system. Disspiative forces can dampen the motion of a harmonic motion.

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Forced Vibration and Reasonance

A system is in reasonance when the periodic force is in phase with the velocity of the oscillating system. The lighter the damping, the larger the max amplitude at reasonance and the closer resonant frequency is to the natural frequency.

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