The bob of a 2 m pendulum describes an arc of circle in a vertical plane as shown. If the tension in the cord is 2.5 times the weight of the bob for the position shown, find the velocity and acceleration of the bob in that position. O 30° 2m (ar = 16.03 m/s², a= 4.90 m/s², v = 5.66 m/s)

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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.