February 8, 201610 yr Name: Introductory Work due to Friction equals Change in Mechanical Energy ProblemCategory: Work, Energy, PowerDate Added: 2016-02-12Submitter: Flipping Physics The equation Work due to Friction equals Change in Mechanical Energy can often be confusing for students. This video is a step-by-step introduction in how to use the formula to solve a problem. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:09 The problem 1:29 Why we can use this equation in this problem 1:52 Expanding the equation 2:29 Identifying Initial and Final Points and the Horizontal Zero Line 3:00 Substituting into the left hand side of the equation 4:05 Deciding which Mechanical Energies are present 4:59 Where did all that Kinetic Energy go? 5:27 Identifying which variables we know and do not know 5:58 Solving for the Force Normal 6:57 Substituting Force Normal back into the original equation 8:09 Why isn’t our answer negative? Next Video: Work due to Friction equals Change in Mechanical Energy Problem by Billy Multilingual? Please help translate Flipping Physics videos! Previous Video: Introduction to Mechanical Energy with Friction 1¢/minute Introductory Work due to Friction equals Change in Mechanical Energy Problem
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