Home
Class 11
PHYSICS
Three identical cars A,B and C are movin...

Three identical cars A,B and C are moving at the same speed on three bridges. The car A goes on a plane bridge, B on a bridge convex upward and C goes on a bridge concave upward. Let `F_A,F_B and F_C` be the normal forces exerted by the cars on the bridges when they are at the middle of bridges

A

`F_A` is maximum of the three forces

B

`F_B` is maximum of the three forces.

C

`F_C` is maximum of the three forces.

D

`F_A=F_B=F_C`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CIRCULAR MOTION

    HC VERMA|Exercise Objective -2|7 Videos

  • CIRCULAR MOTION

    HC VERMA|Exercise Exercises|30 Videos

  • CIRCULAR MOTION

    HC VERMA|Exercise Question for short Answer|10 Videos

  • CENTRE OF MASS, LINEAR MOMENTUM, COLLISION

    HC VERMA|Exercise Exercises|64 Videos

  • FLUID MECHANICS

    HC VERMA|Exercise All Questions|96 Videos

Similar Questions

Explore conceptually related problems

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 .

Complete linkage was observed by C.B. Bridges in.

If three cars A, B and C move with velocities along directions on that road side, what is the vector hidden in this case.

A track consists of two circular pars ABC and CDE of equal radius 100 m and joined smoothly as shown in figure.Each part subtends a right angle at its centre. A cycle weighing 100 kg together with rider travels at a constant speed of 18 km/h on the track. A. Find the normal contact force by the road on the cycle when it is at B and at D. b.Find the force of friction exerted by the track on the tyres when the cycle is at B,C and D. c. Find the normal force between the road and the cycle just before and just after the cycle crosses C. d. What should be the minimum friction coefficient between the road and the tyre, which will ensure that the cyclist can move with constant speed? Take g=10 m/s^2

A car moving at a speed of 36 km/hr is taking a turn on a circular road of radius 50 m. A small wooden plate is kept on the seat with its plane perpendicular to the radius of the circular road figure. A small bock of mass 100 g is kept on the seat which rests against the plate. The friction coefficient between the block and the plate is mu=0.58. a. Find the normal contact force exerted by the plate on the block. b. The plate is slowly turned so that the angle between the normal to the plate and the radius of the road slowly increases Find the angle at which the block will just start sliding on the plate.

Three observers A, B and C measure the speed of light coming from a source to be v_A,v_B and v_C . The observer A moves towards the source and C moves away from the soure at the same speed. The observer B stays stationary. The surrounding space is vacuum everywhere .