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电动汽车,轮胎和地面的接触面积
更新时间: 2021-01-28 22:37:38  

1、对地面压力N=1.2×103×10=12000,p=N/S=12000/0.2=60000pa。

2、由轿车处于平衡状态知牵引力F=f=1200N,W=Fs=1200×10×103=12000000,P=Fv=1200×20=24000。

关键词: 电动 汽车 轮胎 面的 接触 面积

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