Meteo
- 12
- 0
I have a box at rest on a plane raised to the critical angle.
I need to derive the formula \mu_s=mgtan(\theta)
I know f_s/n=\mu
n=f_y=mgcos(\theta)
f_s=f_x=mgsin(\theta)
This leaves me with tan(\theta)=\mu cause the mg cancel out... what did I do wrong?
I need to derive the formula \mu_s=mgtan(\theta)
I know f_s/n=\mu
n=f_y=mgcos(\theta)
f_s=f_x=mgsin(\theta)
This leaves me with tan(\theta)=\mu cause the mg cancel out... what did I do wrong?