Question: A girl pulls a sled along a level dirt road by means of a rope attached to the front of the sled. The mass of

A girl pulls a sled along a level dirt road by means of a rope attached to the front of the sled. The mass of the sled is 40kg, the coefficient of kinetic friction is muk=0.60 , and the angle between the rope and the road is 30 degrees. What pull must the girl exert to move the sled at constant velocity?

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