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Centripetal Force Aim: * To investigate the relationship between the centripetal force action on an object moving in a circle of constant radius and the frequency of revolution. Hypothesis: The centripetal force of an object of mass (m) moving at a constant velocity (v) and radius (r) is given by ?F = = 4?2rmf2. where: Fc is the centripetal force in N Fg is the force of gravity in N r is the radius of the string in m ms is the mass of the rubber stopper in kg ml is the mass of the suspended load in kg g is the gravitation in m s-2 From that equation, I can deduce that if the frequency of object spinning is increased, the centripetal force will increase. Also, in this experiment, the force of gravity acting on the suspended mass should be the one providing the centripetal force. This force is given by: where in this case...

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