An Object with Mass 7 $\circ$ with Respect to the Horizontal

Multiple Choice

An object with mass 7.00 kg is being pushed up a rough inclined plane with a constant force F = 50.0 N.The plane makes an angle of 20.0 ^$\circ$ with respect to the horizontal.The object is moving with constant velocity.What is the coefficient of kinetic friction between the object and the surface?

A) 0.411
B) 0.300
C) 0.377
D) 0.158
E) 0.272