The road not taken

A car moving on a horizontal road may be thrown out of the road in taking a turn

A car is negotiating a curved road of radius R. The road is banked at angle theta . The coefficeint of friction between the tyres of the car and the road is mu_(s) . The maximum safe velocity on this road is

A cyclist moves along a curved road with a velocity v. The road is banked for speed v. The angle of banking is theta .Which of the following statements in not true?

The radius of the curved road on a national highway is R . The width of the road is b . The outer edge of the road is raised by h with respect to the inner edge so that a car with velocity v can pass safe over it. The value of h is

A curved road is banked for speed v_(0) . When a car moves along the road with a constant speed v , the force the friction between the road and the tyres is F. Which of the following statements(s) is (are) correct ?

A car moves at a constant speed on a road as shown in figure. The normal force by the road on the car is N_A and N_B when it is at the points A and B respectively .

In the given figure a rectangular field is 50 m by 40 m. It has two roads through its centre, running parallel to its sides. The widths of the longer and shorter roads are 1.8 m and 2.5 m respectively. Find the area of the roads and the area of the remaining portion of the field.

The radius of the bump on a road is r. What force does the road exert on a car of mass m when the car passes the highest point on the bump ? Calculate the maximum speed with which the car can pass the highest point before losing contact wtih the road ?

Two boys cycling on the road with the same speed are ......... relative to each other.

If the overbridge is concave instead of being convex, the thrust on the road at the lowest position will be