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• Motion is the change in position of an object with respect to time. It can be mathematically described in terms of displacement, distance, velocity, acceleration, speed, and frame of reference to an observer.

Motion can be classified into three types: Rectilinear Motion, Circular Motion, Periodic Motion.

Examples of motion include:

• A book falling off a table
• Water flowing from the tap
• Rattling windows
• The air that we breathe
• The motion of animals and humans
• The basic particle of a matter, the atom