### Resonance

Resonance
If an external force with angular frequency ωd acts on an oscillating system with natural angular frequency ω, the system oscillates with angular frequency...

### Free Oscillations or Undamped oscillations

Free Oscillations or Undamped oscillations
If a body, capable of oscillation, is slightly displaced from its position of equilibrium and left to itself, it starts...

### The Simple Pendulum

The Simple Pendulum
An ideal simple pendulum consists of a point-mass suspended by a flexible, inelastic and weightless string from a rigid support of infinite...

### Oscillations Due to a Spring

Oscillations due to a spring:
The simplest observable example of simple harmonic motion is the small oscillations of a block of mass m fixed to...

### Force Law for Simple Harmonic Motion

Force Law for Simple Harmonic Motion
The force acting simple harmonic motion is proportional to the displacement and is always directed towards the centre of...

### Simple Harmonic Motion

Simple harmonic motion
In simple harmonic motion (SHM), the displacement x(t) of a particle from its equilibrium position is given by, A term that means the...

### Periodic Motion, Oscillations, Period & Frequency

Periodic Motion
A motion that repeats itself at regular intervals of time is called periodic motion. Note that both the curved parts in Fig (c) are...