Rest
If a body is not changing its position with respect to its environment.
Motion
If a body is changing its position with respect to its environment.
Types of Motion.
- Translatory Motion.
- Rotatory Motion.
- Vibratory Motion.
Translatory Motion
Motion of a body along a straight line or curved path is translatory motion.
It is further classified into following
- Linear motion
- Circular motion
- Random motion
Rotatory Motion
Motion of a body about its axis is rotatory motion.
Vibratory Motion
To and Fro motion of a body about its mean position is known as vibratory motion