Circular Motion Calculator

The Circular Motion Calculator calculates the speed based on input radius and frequency parameters of a uniform circular motion in physics.

Formulas for uniform circular motion are provided below the calculator for each calculation case:

v = ω r

Where:
- v is the speed,
- ω is the frequency in radians per second,
- r is the radius.

Note: The radius is half the diameter of the circle.

In physics, circular motion refers to the movement of an object along the circumference of a circle or rotation along a circular path. It can be uniform, with a constant angular rate of rotation and constant speed, or non-uniform with a changing rate of rotation. The rotation around a fixed axis of a three-dimensional body involves circular motion of its parts. The equations of motion describe the movement of the center of mass of a body.

Examples of circular motion include an artificial satellite orbiting the Earth at a constant height, a fan's blades rotating around a hub, a stone tied to a rope and being swung in circles, a car turning through a curve in a race track, an electron moving perpendicular to a uniform magnetic field, and a gear turning inside a mechanism.

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