A Child Pulls a 3

Multiple Choice

A child pulls a 3.00-kg sled across level ground at constant velocity with a light rope that makes an angle 34.0° above horizontal. The tension in the rope is 5.00 N. Assuming the acceleration of gravity is 9.81 m/s², what is the coefficient of friction between the sled and the ground?

A) 0.156
B) 0.188
C) 0.0441
D) 0.0851
E) 0.103