lab4 - Jeffrey Trask 9/28/2007 Section A PHY 110 Lab 4:...

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Jeffrey Trask 9/28/2007 Section A PHY 110 Lab 4: Centripetal Force Purpose: The purpose of this lab is to experimentally demonstrate that centripetal force and acceleration exist by comparing them to the acceleration due to gravity. Abstract: In order to measure centripetal force, a string with a small weight on one end and a large weight on the other was run through a tube, then spun so that the centripetal force and the weight force equaled the weight force of the larger mass. The process was measured and documented in the data table below. This procedure allowed the effects of centripetal acceleration and force to be observed and defined. Centripetal acceleration is an inward-directed vector quantity perpendicular to the velocity of an object. Centripetal acceleration, unlike other accelerations, is still present even without a change in speed because the direction is constantly changing. Centripetal acceleration is mathematically defined as r v a c 2 or 2 2 4 t r a c Π = . Centripetal force is defined as an inward-directed
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lab4 - Jeffrey Trask 9/28/2007 Section A PHY 110 Lab 4:...

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