A Ferris wheel with radius R = 15.0 m is turning about a horizontal axis through its center in the figure. The linear speed of a passenger on the rim is constant and equal to 7.40 m/s. a. What is the magnitude of the passenger's acceleration as she passes through the lowest point in her circular motion? b. What is the direction of the passenger's acceleration as she passes through the lowest point in her circular motion?

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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.