A toboggan with two riders has a total mass of 85.0 kg. A third person is pushing the toboggan with a force of 42.5 N at the top of a hill with an angle of 15°. The force of friction on the toboggan is 31.0 N. Which statement describes an accurate free-body diagram to represent the situation?  a. An arrow of magnitude 10.5 N points down the slope of the hill.  b. An arrow of magnitude 833 N points straight down. c. An arrow of magnitude 833 N points perpendicular to the slope of the hill.  d. An arrow of magnitude 73.5 N points down the slope of the hill.

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Newton’s Third Law of Motion

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