a=0.3 α=45 m=0.2 P=? м=?
P=m*g*cosα=0.2*10*0.7=1.4 H
m*g*sinα-м*m*g*cosα=m*a
м=(g*sinα-a)/(g*cosα)=(10*0.7-0.3)/(10*0.7)=0.96
a=0.3 α=45 m=0.2 P=? м=?
P=m*g*cosα=0.2*10*0.7=1.4 H
m*g*sinα-м*m*g*cosα=m*a
м=(g*sinα-a)/(g*cosα)=(10*0.7-0.3)/(10*0.7)=0.96