本题目来源于试卷: Physics Unit5: Circular Motion & Gravitation，类别为 通用国际物理
[单选题]
A car of mass m goes around a bbg;atfz c4 4if.3u x1 ;sgyt,manlp:* v-;87ywsq 6htdy e2e cjqked curve of radius r with speed v. If the road is frictionless due to ice, the car can still negotiate the curve if the horizontal component of the normal force on the car from the road is equal 2p hc78e j;6q: dw-vey*s ylqtin magnitude to
A. $mg/2$
B. $mg$
C. $mv^2/r$
D. $\tan[v^2/(rg)]$
参考答案: C
本题详细解析:
暂无
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