Experiment4b

# Experiment4b - 2 Trial Gate#1 Gate#2 1-2.2-1.8 2-1.7-1.4...

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Experiment 4b: Newton’s Second Law and the Coefficient of Rolling Friction (i) (ii) F r = μF n ΣF = F r Therefore, F r = Ma F N = Mg Ma = μMg μ = Ma/Mg μ = |a/g| ( iii) Gate #2 gives lower values. Table I shows the deceleration of a moving cart as measured by photogate. Deceleration (m/s

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Unformatted text preview: 2 ) Trial Gate #1 Gate #2 1-2.2-1.8 2-1.7-1.4 3-2.0-1.7 Grand Average (m/s 2 ) = -1.8 Table II shows the coefficient of rolling friction as calculated from deceleration using equation (3). Coefficient of Rolling Friction Expt. Typical .18 0.004...
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Experiment4b - 2 Trial Gate#1 Gate#2 1-2.2-1.8 2-1.7-1.4...

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