A 150-N Sled Is Pulled Up a 28° Slope at a Constant

question 19

Multiple Choice

A 150-N sled is pulled up a 28° slope at a constant speed by a force of 120 N.What is the coefficient of kinetic friction between sled and slope?

• A) 0.53
• B) 0.22
• C) 0.37
• D) 0.33

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