When an object is moving in a circular path its velocity is always at right angles to the radius

**Centripetal Force** pulls the object in a circular path

Therefore F is always at right angles to V

Two objects at different distances from the centre that have the same **Angular Velocity** will complete the same number of revolutions in a given time, but have different speeds

Angular Velocity = ω = 2π/t

v = ω*r

Time period = T = 2π/ω

f = 1/T = ω/2π

The acceleration of an object moving in a circle is called **Centripetal Acceleration**

a = v^2/r

a = ω^2 * r

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