Question: is this the correct answer? 1. A boy pulls a 28.0-kg box with a 180-N force at 30 above a horizontal surface. If the coefficient

is this the correct answer?

1. A boy pulls a 28.0-kg box with a 180-N force at 30 above a horizontal surface. If the coefficient of kinetic friction between the box and the horizontal surface is 0.27 and the box is pulled a distance of 22.0 m, what is the work done by the friction force on the box? 106.1

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