A Car of Mass M Goes Around a Banked Curve

question 21

Multiple Choice

A car of mass m goes around a banked 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 in magnitude to

• A)mg/2.
• B)mg.
• C)mg sinθ .
• D)mv²/r.
• E)tan[v²/(rg)].

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