Thank you all for trying but I ended up going to the teacher to ask how to do the problem and I understand how to do the question. What I did wrong was that when I was trying to find the force, I used COH instead of TOA. Sorry for the inconvenience.
Homework Statement
A man pushes a 50 kg box up a 20-degree ramp at constant velocity. If the pushing force is parallel to the ramp, and the coefficient of friction is 0.4, how much force is he pushing with?
Homework Equations
u=Fs, max/Fn Not sure if this equation is needed.
The Attempt at a...