Home
Class 11
PHYSICS
During acceleration of a bicycle the dir...

During acceleration of a bicycle the direction of force of static friction exerted by the ground on the wheels is

A

against the direction of motion of the front wheel and along the direction of motion of the rear wheel

B

along the motion of front wheel and against the motion of rear wheel

C

against the motion of both the wheels

D

along the motion of both the wheels

Text Solution

Verified by Experts

The correct Answer is:
A
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • FRICTION

    CHHAYA PUBLICATION|Exercise EXERCISE (Based on Motion on inclined Surface )|7 Videos

  • FRICTION

    CHHAYA PUBLICATION|Exercise Very Short Answer Type Questions (Based on Fundamentals of Friction)|6 Videos

  • FRICTION

    CHHAYA PUBLICATION|Exercise HIGHER ORDER THINKING SKILL ( HOTS ) QUESTIONS|14 Videos

  • FIRST AND SECOND LAW OF THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|18 Videos

  • HYDROSTATICS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|1 Videos

Similar Questions

Explore conceptually related problems

A box of mass 2 kg is placed on the roof of a car. The box would remain stationary until the car attains a maximum acceleration. Coefficient of static friction between the box and the roof of the car is 0.2 and g=10ms^(-1) . This maximum acceleration of the car, for the box to remain stationary, is

A uniform ladder of length L and mass M leans against a frictionless vertical wall. The ladder makes an angle theta with ground and the coefficient of the static friction between the ground and the foot of the ladder is mu . What maximum height a man of mass m can climb up the ladder so that the ladder will not skid?

Knowledge Check

  • Statement I: When a person walks on a rough surface, the net force exerted by surface on the person in the direction of his motion. Satement II: It is the force exerted by the road on the person that causes the motion.

    A
    Statement I is true, statement II is true, statement II is a correct explanation for statement I.
    B
    Statement I is true, statement II is true, statement II is not a correct explanation for statement I.
    C
    Statement I is true, statement II is false.
    D
    Statement I is false, statement II is true.

    • Similar Questions

    Explore conceptually related problems

    Determine the maximum acceleration of the train in which a box lying on its floor will remain stationary, given that the co-efficient of static friction between the box and the train’s floor is 0.15.

    Figure shows a man standing stationary with respect to a horizontal conveyor belt that is accelerating with 1 m s^(-2) . What is the net force on the man? If the coefficient of static friction between the man’s shoes and the belt is 0.2, up to what acceleration of the belt can the man continue to be stationary relative to the belt ? (Mass of the man = 65 kg.)

    A hollow cylinder of radius r is rotating about its own vertical axis. Both ends of the cylinder are open. A piece of stone of mass m remains fixed on the inner side of the cylinder. What should be the minimum velocity of rotation of the cylinder so that the stone remains fixed on the surface of the cylinder without falling down? Coefficient of static friction between the wall of the cylinder and the stone = mu , acceleration due to gravity = g. Also, prove that this velocity is independent of the mass of the stone.

    A cannonball of mass 50 kg is fired with a velocity of 40 m cdot s^(-1) form a cannon of mass 1000 kg. what will be the recoil velocity of the cannon? If the force of friction between the surface and the wheels of the cannon is (1)/(10) th of the weight of the cannon, how far will the cannon move before coming to rest? [ Given, g = 10 m cdot s^(-2) ]

    A car weighs 1800 kg. The distance between its front and back axles is 1.8 m. Its centre of gravity is 1.05 m behind the front axle. Determine the force exerted by the level ground on each front wheel and each back wheel.

    A block of mass 15 kg is placed on a long trolley. The coefficient of static friction between the block and the trolley is 0.18. The trolley accelerates from rest with 0.5 m s^(-2) for 20 s and then moves with uniform velocity. Discuss the motion of the block as viewed by (a) a stationary observer on the ground, (b) an observer moving with the trolley.

    A uniform cylinder rests on a cart as shown. The coefficient of static friction between the cylinder and the cart ts 0 5. If the cylinder is 4 cm in diameter and 10 cm in height, which of the following is the minimum acceleration of the cart needed to cause the cylinder to tip over ?

    Home
    Profile