Questions
A circular road of radius R is banked for a speed v = 40 km/hr. A car of mass m attempts to go on the circular road, the friction coefficient between the tyre and road is negligible:
detailed solution
Correct option is D
Car can make a turn without skidding at 40 km/hr. The car will slip down the slope if it runs at a speed less than 40 km/hr.N sin θ = mv2r ⇒ N = 1sin θ(mv2r)and N cos θ = mg ⇒ N = mgcos θ∵ sin θ and cos θ < 1So N > mg and N > mv2rTalk to our academic expert!
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