本题目来源于试卷: Physics Unit5: Circular Motion & Gravitation，类别为 国际高中通用物理
[单选题]
A car of mass m goes ar ga5vv72 eku)n7)tpcy/e gltr3z ;6pbound a banked curxo7p l/c:oro, ve 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 oo po7/x r,l:cis equal in 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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