Weight (N) Time (s) Coeff. of Fric. Mass (kg) Applied Force (N) 2.45 0 0.41 0.102 1.00 2.45 120 0.84 0.210 2.06 2.45 240 0.70 0.174 1.71 2.45 360 0.82 0.204 2.00 2.45 480 0.51 0.128 1.25 2.45 600 0.80 0.200 1.96 2.45 720 0.54 0.136 1.33 2.45 840 1.22 0.304 2.98 2.45 960 0.72 0.180 1.76 2.45 1080 0.94 0.236 2.31 2.45 1200 0.91 0.228 2.23 Time (s) Coeff. of Fric. (exp.) Coeff. of Fric. (calc.) Difference 0 0.41 0.59 0.18 120 0.84 0.63 -0.21 240 0.70 0.66 -0.03 360 0.82 0.70 -0.12 480 0.51 0.73 0.22 600 0.80 0.76 -0.04 720 0.54 0.80 0.25 840 1.22 0.83 -0.38 960 0.72 0.87 0.15 1080 0.94 0.90 -0.04 1200 0.91 0.94 0.02 Average Uncertainty: 0.32