Friction Lab (Davis)

Friction Lab (Davis) - Davis Hill October 26th 2007...

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Davis Hill October 26 th 2007 Friction Friction Lab Lab Lab Partners: Jordan Lysak, Kyle Goose
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Purpose: The purpose of this lab is to investigate static and kinetic friction and to determine the coefficient of friction between various surfaces. Materials: wooden block two one kg weights (one with hook) force sensor sheet of sandpaper computer interface steel sheet piece of string Procedure: Please see the attached handout. Observations: Below are graphs that display the static and kinetic friction between the wooden block and the various surfaces that it was on.
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Trial Large surface area 1kg Large surface area 2kg Small surface area 1kg Ffs Ffk Ffs Ffk Ffs Ffk Trial # 1 3.60N 2.44N 6.44N 3.92N 2.87N 1.98N Trial # 2 3.57N 2.34N 6.88N 4.05N 2.85N 1.88N Trial # 3 3.37N 2.23N 7.02N 4.00N 2.62N 1.93N Average 3.51N 2.34N 6.78N 3.99N 2.78N 1.93N Coefficien t of friction 0.30 0.2 0.31 0.18 0.24 0.16 Trial B Block on sand paper Block on metal sheet Ffs Ffk Ffs Ffk Trial # 1
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Friction Lab (Davis) - Davis Hill October 26th 2007...

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