A conical pendulum is a weight or bob fixed on the end of a string suspended from a pivot. It moves in a horizontal circular path, as shown in the diagram below.   a. Suppose the bob has a mass of 0.27 kg, the length of the pendulum is 0.70 m and the angle that it swings at is 13°. What is the magnitude of the centripetal acceleration? (m/s2) b. What is the radius of the horizontal circular path? (m) c. What is the speed of the mass? (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.