Circular Motion and Banking of Roads

IMPORTANT

Circular Motion and Banking of Roads: Overview

This topic covers concepts, such as, Bending of Cyclist on a Horizontal Road & Bending of Cyclist on a Banked Road etc.

Important Questions on Circular Motion and Banking of Roads

EASY
IMPORTANT

What will be the maximum speed of a car on a road-turn of radius 30 m if the coefficient of friction between the tyres and the road is 0.4? (Take g=9.8ms2)

EASY
IMPORTANT

A circular road is banked at an angle θ for an optimum speed V.The vertical component of the normal reaction on a car driven at the speed V on the road is equal to (in equal notations)

MEDIUM
IMPORTANT

A particle describes a horizontal circle with uniform speed on the smooth surface of an inverted cone. The height of the horizontal plane above the vertex of the cone is 10 m. What is the speed of the particle if g=10 m s-2?

EASY
IMPORTANT

In a uniform circular motion:

EASY
IMPORTANT

For a body moving with constant speed in a horizontal circle, which of the following remains constant?

EASY
IMPORTANT

Which force is applied to the well of death?

MEDIUM
IMPORTANT

A car travels on a banked horizontal road with inclination 45°. What is its maximum speed for not skidding up μ=0.75,R=200.

EASY
IMPORTANT

What is the angle of banking of a railway track of radius of curvature 250 m, if the maximum velocity of the train is 90kmph ? (use g=10 m·s-2 )

MEDIUM
IMPORTANT

A car is moving on a circular road of radius 150 m with a coefficient of friction 0.6. With what optimum velocity should the car be moved so that it crosses the turn safely.:

EASY
IMPORTANT

A car of mass m is taking a circular turn of radius r on a frictional level road with a speed ϑ. In order that the car does not skid 

MEDIUM
IMPORTANT

If a cyclist moving with a speed of 4.9 m/s on a level road can take a sharp circular turn of radius 4 m, then coefficient of friction between the cycle tyres and road is

HARD
IMPORTANT

A biker initially at rest, starts to move on a circular path of radius R=2007 km  with tangential acceleration a = 1 m sec-2 (constant in magnitude). If on an average bike runs 50 km litre-1 and initially the bike has 2 litre petrol. The minimum value of the coefficient of friction, so, that bike will not slip during motion is 

HARD
IMPORTANT

A particle describes a horizontal circle of radius r in a funnel type vessel of frictionless surface with half one angle θ (as shown in figure). If mass of the particle is m, then in dynamical equilibrium the speed of the particle must be –

Question Image

EASY
IMPORTANT

A circular road of radius 1000 m has banking angle 45°. The maximum safe speed (in ms-1) of a car having a mass 2000 kg will be (if the coefficient of the friction between tyre and road is 0.5)

EASY
IMPORTANT

Radius of the curved road on national highway is P. Horizontal width of the road is Q. The outer edge of the road is raised by H with respect to the inner edge so that a car with velocity x can pass safely over it the value of H is :-

EASY
IMPORTANT

A car is negotiating a curved road of radius 70 m road is banked at 45°. The coefficient of friction between road and tyre is 0.75 . The maximum safe speed on this road is :-

MEDIUM
IMPORTANT

What is the minimum speed a car can travel on an inclined road in terms of radius of the curved path R, acceleration due to gravity g, coefficient of static friction μs, and the inclined angle of the road?

EASY
IMPORTANT

The coefficient of friction between the tyres and the road is given by 0.1 . What is the maximum speed with which a cyclist can take a circular turn of radius 3 m without skidding ?
Take=10 m s-2

EASY
IMPORTANT

A car of 800 kg is taking turn on a banked road of
radius 300 m and angle of banking 30°. If
coefficient of static friction is 0.2 then the
maximum speed with which car can negotiate the
turn safely : (g = 10 m/s2, 3=1.73)

EASY
IMPORTANT

If a car is moving on banked road of radius 300 m and angle of banking 30°, then find the safe speed of the car. Take g=10 m s-2.