Friction Report.docx

# Friction Report.docx - Friction Yong Seop Shim Tyler Deuty...

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Friction Yong Seop Shim Tyler Deuty, Andre Nguyen 8 70155 10/28/2015 10:00AM

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Objective: To determine the coefficient of static and kinetic friction between the block and the lab table; to determine whether or not the experimental data fit the normal distribution curve Data: mass of the wooden block = 0.125 kg mass of the heavy weight 1 = 0.494 kg mass of the heavy weight 2 = 0.499 kg number of measurements = 35 Part 1 Static Friction Kinetic Friction Average Force 3.846 N 2.337 N Standard Deviation 0.5624 N 0.3269 N Uncertainty 0.0951 N 0.0553 N Part 2 Static Friction Kinetic Friction Average Force 2.119 N 1.258 N Standard Deviation 0.2415 N 0.1836 N Uncertainty 0.0408 N 0.0310 N Data analysis: 1. Calculate the mass of the system (the mass of the cart + mass of all washers + mass of the hook) using the slope from graph #1. In order to get the mass of the system, you need to apply Newton's second law. Remember that the slope of the graph does not necessarily equal to the value you calculate!!!! For this section you just need to provide a formula which relates the slope and the mass. While doing substitution, show units. Write down the answer with units.
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