Suppose Imani is on an amusement park ride that consists of a wide drum of radius R that rotates at ω rad/s and slowly increases its angle θ with the ground. Assume that Imani's back and heels are in contact with the wall of the drum.   In the configuration shown, which forces contribute to the centripetal force on Imani?   a) the frictional force b) the normal force applied by the drum wall c) the normal force applied by the drum floor d) the gravitational force e) the centrifugal force In which position is the force of the drum’s wall on Imani the greatest?   a) neither b) 2 c) 1

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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.