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Unformatted text preview: Lab Four Newton’s Laws of Motion I I Purpose: In this experiment, we hope to perform experiment test of Newton’s 2 nd Law by measuring the acceleration of an Atwood machine and by measuring the support tension of a pendulum. Data and Calculations: Part One: 160g and 150 g Weights Larger Hanging Mass (M) 160 grams Smaller Hanging Mass (m) 150 grams Trial A (m/s 2 ) A exp (m/s 2 ) 1 .2978 2 .2966 3 .2948 Experimental Acceleration (a exp ) .2964 Theoretical Acceleration (a T H ) .3161 Percent Error 6.23% A T H = (  )( + ) M m M m x g Average Acceleration = + + Trial One Trial Two Trial ThreeNumber of Trials Part One: 170g and 180 g Weights Larger Hanging Mass (M) 170 grams Smaller Hanging Mass (m) 180 grams Trial A (m/s 2 ) A exp (m/s 2 ) 1 .06726 2 .0675 3 .06678 Experimental Acceleration (a exp ) .06718 Theoretical Acceleration (a T H ) .28 Percent Error 76% **something must be wrong with the data we have…. A T H = (  )( + ) M m M m x g Average Acceleration = + + Trial One Trial Two Trial ThreeNumber of Trials...
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This note was uploaded on 04/08/2008 for the course PHYS 1211 taught by Professor Zink during the Winter '08 term at Denver.
 Winter '08
 ZINK
 Physics, Acceleration

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