Angular Speed

Key Stage 5

Meaning

Angular speed is the rate at which an object moves through an angle.

About Angular Speed

• Measured in radians per second (rad/s).
• Describes the rotational speed of an object.
• Different from linear speed, which measures movement along a straight path.

Examples

• A rotating fan blade has a constant angular speed.
• The angular speed of Earth’s rotation affects the length of a day.