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SCIENCE 101 4.3.5 Discuss: Force of Friction Lab Discussion Physics Sem 1 Points Possible: 15

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SCIENCE 101 4.3.5 Discuss: Force of Friction Lab Discussion Physics Sem 1 Points Possible: 15 This worksheet will help you organize your thoughts for the discussion. Write down some notes based ... on the questions and prompts below. 1. Use the computer’s graphing program to create a graph of maximum force of static friction versus normal force. Static friction should be on the y-axis and normal force on the x-axis. (3 points) 2. The coefficient of static friction is the ratio of static frictional force to normal force. Find the slope of the graph you just made to determine the coefficient of static friction between the block and track. (2 points) Normal Force (N) Maximum Static Friction (N) 3. Use the computer to create a graph of force of kinetic friction versus normal force. Kinetic friction should be on the y-axis and normal force on the x-axis. (4 points) 4. The coefficient of kinetic friction is the ratio of kinetic frictional force to normal force. Find the slope of the graph you just made to determine the coefficient of kinetic friction between the block and track. (2 points) Kinetic Friction (N) Normal Force (N) 5. Imagine that you had no hanging mass for part 2 of the experiment. If you simply pulled on the string with a known amount of force, would you expect to see the same results? Could you use the same equations? Why or why not? (2 points) 6. Imagine that you had no friction block for part 2 of the experiment. If you used a dynamics cart instead, how would your results be different? Could you use the same equations? Why or why not? (2 points) [Show More]

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