Physics Lab report 6, Friction

Physics Lab report 6, Friction - Alexander Hyatt Physics...

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Alexander Hyatt Physics Lab 124-021 February 28, 2007 Abstract In this lab experiment, different aspects of friction were studied and tested. The main facets of friction that were tested were the coefficients of static and kinetic friction. The experiments consisted of testing when a sled would start to move. The first exercise took the sled and put it on a friction plane, which was raised until the sled started to move. The second exercise took the sled with added weight, and a hanging weight, and added weight until the sled started to move across a level friction plane. The third experiment measured the acceleration of the sled as it fell, when the friction plane was raised at different angles. The first two exercises were used to determine an experimental value for the coefficient of static friction and the third was used to find the coefficient of kinetic friction. Experiment Table 1 Table 1 is a collection of the data from exercise 1. The static critical angle was initially recorded in units of radians, and then the average of the values was taken. Next, the average was converted into degrees. The Average static critical angle was found to be 22.06°. The experimental value of μ s was found to be .405, with μ s having no units. Data Table Exercise 1 Trial Elevation Ө s of Track (m) 1 0.237 0.364 2 0.274 0.425 3 0.259 0.4 4 0.223 0.342 5 0.239 0.368 6 0.265 0.41 Avg static critical angle 22.06 Experimental val of μ s 0.405
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Alexander Hyatt Physics Lab 124-021 February 28, 2007 Table 2 Data Table Exercise 2 Sled mass Hanging mass m1 (kg) m2 (kg) 0.306 0.105 0.506 0.175 0.706 0.252 0.906 0.315 1.106 0.347 1.306 0.392 Experimental value of μ s 0.2877 % Difference between μ s 33.87 Table 2 is a collection of data that used a different method for finding μ s. The sled
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This note was uploaded on 04/03/2008 for the course PHYS 124 taught by Professor Jay during the Spring '07 term at Clemson.

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Physics Lab report 6, Friction - Alexander Hyatt Physics...

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