A child pulls a 15 kg sled containing a 5 kg dog along a straight
force of 55 N on the sled at an angle of 20° above
coefficient of friction between the sled and the ground is 0.22
ed at an angle of 20° above the horizontal, as shown in the figure above. The
(b) What is the magnitude and direction of the net force on the sled-dog system?
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