A 36.0 kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of 21.0 m. (a) What is the centripetal acceleration of the child? m/s? -Direction-- (b) What force (magnitude and direction) does the seat exert on the child at the lowest point of the ride? magnitude direction ° (from upward) (c) What force does the seat exert on the child at the highest point of the ride? magnitude N direction • (from upward) (d) What force does the seat exert on the child when the child is halfway between the top and bottom? magnitude N direction ° (from upward)

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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.