1.G货=mg=10000kg*9.8n/kg=98000n
G总=G货+G车=50000+98000=148000n
f=0.2G总=0.2*148000n=29600n
因为是匀速直线运动,所以F牵引力=f=29600n
2.My coat is not the same as his coat
1.G货=mg=10000kg*9.8n/kg=98000n
G总=G货+G车=50000+98000=148000n
f=0.2G总=0.2*148000n=29600n
因为是匀速直线运动,所以F牵引力=f=29600n
2.My coat is not the same as his coat