Mg*sin(α)-mg*sin(α)<=Mg*cos(α)*μ+mg*cos(α)*<span>μ
mg*sin(α)-Mg*sin(α)<=Mg*cos(α)*μ+mg*cos(α)*μ<br>*****************************************************
(M-m)*sin(α)<=(M+m)*cos(α)*μ<br>(m-M)*sin(α)<=(M+m)*cos(α)*μ<br>*****************************************************
(M-m)*tg(α)<=(M+m)*μ<br>(m-M)*tg(α)<=(M+m)*μ<br>*****************************************************
M*(tg(α)-μ)<=m*(μ+tg(α))<br>m*(tg(α)-μ)<=M*(μ+tg(α))<br>*****************************************************
M*(1-0,2)<=m*(0,2+1)<br>m*(1-0,2)<=M*(0,2+1)<br>*****************************************************
M*0,8<=m*1,2<br>m*0,8<=M*1,2<br>*****************************************************
M*2/3<=m<br>m<=M*1,5<br>*****************************************************
M*2/3 <= m <= M*1,5<br>