3.) Three confused sled dogs are trying to pull a sled across the snow in Alaska. Alutia pulls to the east with a force of 135 N. Seward pulls to the east with a force of 143 N. Kodiak pulls to the west with a force of 153 N. a. What is the net force on the sled? F,=1351 F2 = 1431 F = 1531 Fnet = F.+Fe+F3 Fniet: 1351+ 1431-1531= 1251 %3D %3D Fret: 12SN

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!