Recent content by questionable

Okay, I've done that. What are the components of the gravity vector though? Isn't it just pointing down?

This is the closest guess that I have. I don't have a clue really. Sorry for the bad drawing.

Homework Statement A 90 kg box is pushed by a horizontal force F at constant speed up a ramp inclined at 28°, as shown. Determine the magnitude of the applied force: a. when the ramp is frictionless. b. when the coefficient of kinetic friction is 0.18. Homework Equations F= ma, Ffr = μk *...