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nature of friction lab - Akshay Patel Period 10 Honors...

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Akshay Patel Period 10 Honors Physics Lab- The Nature of Friction Objective: To determine what factors affect the force of friction and the coefficient of friction. Conclusion: Friction is the force that resists the relative motion of two surfaces in contact or a surface in contact with a fluid. It cannot be calculated from the first law, it is not a fundamental force, and you must find it empirically. Chemical bonding between surfaces is what causes sliding friction. Surprisingly, it has nothing to do with surface roughness. For small objects that are micro scale and nanoscale, the surface roughness and contact area dominate inertial forces. Internal friction is the motion-resisting force between the surfaces of the particles making up the substance. The normal force, surface type, and the surface area affect all the force of friction and the coefficient of friction. Part of friction depends on the smoothness of the contacting surfaces. If surfaces
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