Types of Motion

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There are three types of motion:

• Translatory motion

• Rotatory motion

• Vibratory motion

Translatory Motion

In translatory motion the particle moves from one point in space to another. This motion may be along a straight line or along a curved path.

Motion along a straight line is called rectilinear motion.

Motion along a curved path is called curvilinear motion.

Example: A car moving on a straight road

Rectilinear Motion

Example: A car negotiating a curve

Curvilinear Motion

Rotatory Motion

In rotatory motion, the particles of the body describe concentric circles about the axis of motion.

Rotatory Motion

Vibratory Motion

In vibratory motion the particles move to and fro about a fixed point.

Simple Pendulum