Lab 3 - Chris Bower PHY 115 November 2016 LABORATORY REPORT...

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Chris BowerPHY 115 November 2016 LABORATORY REPORT: FRICTION INTRODUCTION When two surfaces slide over one another, a resisting force known as friction occurs. Friction results from irregularities in surfaces which come in contact with one another and through mutual attractions between atoms in the surfaces of sliding objects. In this experiment I will be demonstrating and examining the concept of friction and calculating the coefficients of static and dynamic frictional forces. Procedure To conduct this experiment I will first need to calculate the force of the object in which I will be using throughout the experiment. In this case I will be utilizing a soda can along with a wooden block. The purpose of the soda can is to provide mass along with the wooden block to provide a more accurate measurement that will be utilized to measure the coefficient of static and dynamic friction. To calculate the force of static friction, the block and soda can will be pulled using a spring scale and once there is movement, the force on the spring scale will be recorded. I will conduct this a series of 5 times for each of the selected surfaces and record the data in the tables below.

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