α=30 мю=0,4 а=,
m*g*sinα - мю*m*g*cosα=m*a
a=g*(sinα - мю*cosα)=10*(0.5-0.4*0.866)=1.54 м/с2
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α=30 мю=0,4 а=,
m*g*sinα - мю*m*g*cosα=m*a
a=g*(sinα - мю*cosα)=10*(0.5-0.4*0.866)=1.54 м/с2
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