Static and kinetic friction 3 .docx

We examined whether or not the angle of incline plane

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value of the coefficient of kinetic friction. We examined whether or not the angle of incline plane affects the coefficient. We used different angles in part 1 to 3 and experienced that the coefficient of kinetic friction was getting larger as the angle was getting wider. The value of sliding friction does depend on the normal force between the object and the surface. This is shown by the equation, f k = μ k N . Whenever the normal force increased, the frictional force increased. The value of sliding friction between two objects does depend on the surface and the material are in cantact with it. I would use rubber when pulling the wood with the newton meter to reduce the error in measuring μ . I believe by using a metrial of higher μ , any small changes in value of the coeffiecient of friction will be hard to detect as the actual value is so much larger. In general, whenever the measured value is much greater than the uncertainty, error is decreased. Reference: Works Cited College, O. (2015, Jan 23). College physics 5.1 Friction . Retrieved from College physics for Students Ch 5.1 Friction :
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