Fc=0,3*N
F*cosa=Fc
N=m*g-F*sina
F*cosa=0,3*(m*g-F*sina)
F=0,3*m*g/(cosa-0,3*sina)=0,3*10*10/(0,866-0,3*0,5)=41,9 H
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Fc=0,3*N
F*cosa=Fc
N=m*g-F*sina
F*cosa=0,3*(m*g-F*sina)
F=0,3*m*g/(cosa-0,3*sina)=0,3*10*10/(0,866-0,3*0,5)=41,9 H