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Centripetal Force - Centripetal Force Lab 9 Objective In...

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Centripetal Force Lab 9
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Objective: In this experiment our goal is to compare the experimental and theoretical values of the centripetal force of a mass rotated in a circle. By comparing the values we are in effect verifying Newton’s 2 nd Law F=ma Description A mass will be rotated around a metal bar. We will then attempt to find the centripetal force by measuring the period, radius, mass all which allow us to find the force theoretically. We will also find the force experimentally by hanging weights from the mass until it reaches its original radius. This experiment was repeated with the smallest, largest, and a median radius value. Theory The equation below allows us to theoretically find the centripetal force. R is the radius of the circle in which the object is traveling, m is the mass of the object, ϖ is the objects angular velocity. F=mR ϖ 2 The angular velocity is found by the equation ϖ =2 π/Τ Τ he period of the object’s motion is symbolized by T. This equation comes from
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