A Worker Pulls a 200-N Packing Crate at Constant Velocity $\degree$

Multiple Choice

A worker pulls a 200-N packing crate at constant velocity across a rough floor by exerting a force F = 55.0 N at an angle of 35.0 $\degree$ above the horizontal.What is the coefficient of kinetic friction of the floor?

A) 0.133
B) 0.267
C) 0.400
D) 0.200