A horizontal force of 40 N will just start an empty 600 N sled moving across packed snow. After motion is begun, only 10 N is needed to keep motion at constant speed, find the coefficients of static and kinetic friction.A horizontal force of 40 N will just start an empty 600 N sled moving across packed snow. After motion is begu?渭_static = F/N = 40/600 = 0.067
渭_kinetic = f/N = 10/600 = 0.0167
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