lab2_97_03

# lab2_97_03 - Introduction and Theory The purpose of this...

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Introduction and Theory The purpose of this lab was to test the acceleration based on a two object system of a hanging mass and a cart on a nearly frictionless track. In this experiment the acceleration tested using photogates. A flag on the cart started as close to the photogate as possible (in order to make v o =0) tripped the infrared of the first photogate, and was accelerated by gravity pulling the hanging mass, which was attached by a string over an assumed massless frictionless pulley. It then passed through the next photogate, which was at a known separated distance of 1 meter, after a few seconds and stopped the timer that started with the tripping of the first photogate. Calculating acceleration in this experiment is done using the simple kinematics equation x=x o +v o t+1/2at 2 . Where x is the displacement, v is the velocity, t is time, and a is acceleration. For this experiment, both x o and v o were equal to 0. In order to calculate acceleration due to gravity for this experiment, we use the fact that the acceleration of the cart must be the same as the acceleration of the hanging mass and that the tension in the string is the same on both ends,

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## This note was uploaded on 03/28/2008 for the course PHY 1 taught by Professor Sliwa during the Winter '07 term at Tufts.

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lab2_97_03 - Introduction and Theory The purpose of this...

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