Lab6 - PHY 241 University Physics Experiment 6 Centripetal...

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PHY 241 University Physics Experiment 6 Centripetal Force: The Spring-Pendulum Method Jacob Matson Lab Partner: Chip Pitkin Performed: Feb 23, 2006 Submitted: Mar 02, 2006
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Objective: To compare the experimental and theoretical values of centripetal force acting on a pendulum mass swinging through a circular arc. Apparatus: Pendulum system (including the glass tube, brass block, string, and mass), brass spring, slotted masses, vernier caliper, two meter stick with attached caliper, various rods and clamps to support the apparatus. Theory: A mass “m” traveling in a circular path of radius “r”, at a constant speed “V”, experiences a centripetal force (i.e. center seeking) whose magnitude is given by F = mV 2 /r. The net force of the pendulum is given by ∑F = T – mg = mV 2 /r. The velocity of the pendulum mass at the bottom of its swing can be determined by equating its kinetic energy at that point to the loss of gravitational energy from the top of its swing as given here: ½ mV
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This lab report was uploaded on 04/09/2008 for the course PHY 241 taught by Professor Puntenney during the Spring '06 term at Point Loma.

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Lab6 - PHY 241 University Physics Experiment 6 Centripetal...

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