Circular Motion Calculator calculate speed from input radius and frequency parameters of a uniform circular motion in physics.

Uniform circular motion formulas are given below the calculator for each of the calculation cases.

v = ω r
v = Speed
ω = Frequency radians/second
r = Radius
The radius is 1/2 the diameter of the Circle.

In physics, circular motion is a movement of an object along the circumference of a circle or rotation along a circular path. It can be uniform, with 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 which is tied to a rope and is 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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