An amusement park ride consists of a large vertical cylinder that spins about its axis fast enough such that any person inside is held up against the wall when the floor drops away. The coefficient of static friction between person and wall is 0.25 and the radius of the cylinder is 7m. (a) How many minimum revolutions per minute does the cylinder make? (b) Calculate the angular velocity and frequency of the motion at this condition. (c) What is the effect of the mass of the person on the time period, radial acceleration and tangential acceleration.

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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.