Angular speed and linear speed are two concepts that are commonly used in physics and mechanics. While they may sound similar, they refer to different things and are measured in different units.

## What is the difference between angular speed and linear speed?

Linear speed is the rate at which an object moves in a straight line, while angular speed is the rate at which an object rotates around an axis. In other words, linear speed is the distance an object travels per unit time, while angular speed is the angle an object rotates per unit time.

For example, if a car is traveling at 60 miles per hour, its linear speed is 60 miles per hour. On the other hand, if a wheel on the same car is rotating at 600 revolutions per minute, its angular speed is 600 revolutions per minute. It's possible to calculate the linear speed using an object's angular speed and vice versa.

## What are some of the most frequently used units of measurements?

The most common unit of measurement for linear speed is meters per second (m/s) or kilometers per hour (km/h). For angular speed, the most commonly used units are radians per second (rad/s) or revolutions per minute (RPM).

In sports, athletes often use angular speed to optimize their performance. For example, figure skaters use angular speed to control their spins, while gymnasts use it to estimate the amount of force they need to execute a particular move.

Now that you understand the basic concept, why not try our angular speed calculators to further explore these concepts?