- #36
zaper
- 49
- 0
Well I already have the equation for N right? (N=mg/cosθ) And can I just use friction≤μN here?
zaper said:Well I already have the equation for N right? (N=mg/cosθ)
zaper said:Ok so with friction for there to be no vertical acceleration then Ny+Fy=mg to stop it from moving down but also mg+Fy=Ny to stop from moving up.
For no horizontal acceleration won't it simply be Nx=Fx?
tiny-tim said:the only way to stay sane is to just call it F, and find out later whether it's positive or negative