Home
Class 12
PHYSICS
A block of metal is lying on the floor o...

A block of metal is lying on the floor of a bus. The maximum acceleration which can be given to the bus so that the block may remain at rest, will be -

A

`mug`

B

`mu//g`

C

`mu^(2)g`

D

`mug^(2)`

Text Solution

Verified by Experts

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

Topper's Solved these Questions

  • NEWTON'S LAWS OF MOTION & FRICTION

    MOTION|Exercise Exercise - 3 Section-A|22 Videos

  • NEWTON'S LAWS OF MOTION & FRICTION

    MOTION|Exercise Exercise - 3 Section-B|12 Videos

  • NEWTON'S LAWS OF MOTION & FRICTION

    MOTION|Exercise Exercise - 2 SECTION-E:- Static friction, Kinetic friction|13 Videos

  • MODERN PHYSICS -1

    MOTION|Exercise EXERCISE-4 ( LEVEL- II)|39 Videos

  • NLM & FRICTION

    MOTION|Exercise EXERCISE-4 ( LEVEL-II)|15 Videos

Similar Questions

Explore conceptually related problems

A block of mass 1.0 kg rests on a wedge of angle theta . The acceleration which should be given to the wedge so that the block falls freely is :

A block of mass m is placed on the rough incline of a wedge of mass M and inclination alpha to the horizontal. Calculate the maximum and minimum acceleration that can be imparted to the wedge so that the block may remain stationary relative to the wedge. The coefficient iof friction between the block and the wedge is mu .

Knowledge Check

  • The maximum acceleration of 5 of kg block is :-

    A
    `1m//s^(2)`
    B
    `3m//s^(2)`
    C
    0
    D
    None

  • A cylinder of mass m rests on a supporting block as shown. If beta=60^(@) " and " theta=30^(@) , calculate the maximum acceleration 'a' which the block may be given up the incline so that the cylinder does not lose contact at B. (neglect friction anywhere).

    A
    `g//2`
    B
    g
    C
    `g//3`
    D
    `g//4`

  • Figure shows a block kept on a rough inclined plane. The maximum external force along the plane downwards for which the block remains at rest is 1N while the maximum external force along the incline upwards for which the block is rest is 7N. The coefficient of static friction mu is

    A
    `(sqrt(3))/2`
    B
    `1/(sqrt(6))`
    C
    `sqrt(3)`
    D
    `4/(3sqrt(3))`

    • Similar Questions

    Explore conceptually related problems

    Find minimum μ so that the blocks remain stationary.

    Find out acceleration of the block. Initially the block is at rest.

    Find out acceleration of the block. Initially the block is at rest.

    Find acceleration of block. Initially the block is at rest.

    A block is lying static on the floor. The maximum value of static fictional force on the block is 10 N. If a horizontal force of 6 N is applied to the block,what will be the frictional force on the block?

    Home
    Profile