An electric ceiling fan is rotating about a fixed axis with an initial angular velocity magnitude of 0.230 rev/s. The magnitude of the angular acceleration is 0.912 rev/s“ . Both the the angular velocity and angular accleration are directed counterclockwise. The electric ceiling fan blades form a circle of diameter 0.720 m.

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.