Home
Class 11
PHYSICS
A body slipping on a rough horizontal pl...

A body slipping on a rough horizontal plane moves wioth a deceleationof `4.0 m/s^`. What is cofficient of kineic friction between the block and the plane?

Text Solution

Verified by Experts

Let m=mss of the block
From the freebody diagram,
`R-mg=0`
rarr R=mg…..i`
Again ma=muR=0`
ma=muR`
fro equation i. `ma=u mu g`
`rarr a=mug rarr 4=mug`
`mu=4/g=4/10=0.4`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A block of mass m slips on a rough horizontal table under the action of horiozontal force applied to it. The coefficient of friction between the block and the table is mu . The table does not move on the floor. Find the total frictional force aplied by the floor on the legs of the table. Do you need the friction coefficient between the table and the floor or the mass of the table ?

A block of mass m is at rest on a rough inclined plane of angle of inclination theta . If coefficient of friction between the block and the inclined plane is mu , then the minimum value of force along the plane required to move the block on the plane is

Knowledge Check

  • A block is at rest at the top of a rough inclined plane of inclination 30° with the horizontal. What is the coefficient of kinetic friction between the block and the plane, if the . block slides down with an acceleration of g/5 ?

    A
    0.25
    B
    0.275
    C
    0.325
    D
    0.346

  • A block rests on a rough inclined plane making an angle of 30^@ with the horizontal. The coefficient of static friction between the block and the plane is 0.8. If the frictional force on the block is 10N, the mass of the block (in kg) is

    A
    (a) 1.6
    B
    (b) 4.0
    C
    (c) 2.0
    D
    (d) 2.5

  • A block of mass m=2kg is resting on a rough inclined plane of inclination plane of inclination 30^(@) as shown in figure. The coefficient of friction between the block and the plane is mu=0.5 . What minimum force F should be applied perpendicular to the plane on the block, so that blocks does not slip on the plane? (g=10m//s^(2))

    A
    Zero
    B
    6.24N
    C
    2.68N
    D
    4.34N

    • Similar Questions

    Explore conceptually related problems

    A block rests on a rough inclined plane making an angle of 30° with the horizontal. The coefficient of static friction between the block and inclined plane is 0.8. If the frictional force on the block is 10 N, the mass of the block is

    A block of mass m = 2kg is resting on a inclined plane of inclination 30^(@) as shown in figure The coefficient of friction between the block and the plane is mu = 0.5 what minimum force F (in newton) should be applied perpendicular to the plane on the block so that the does not slip on the plane?

    A mass of 4 kg rest on a horizontal plane . The plane is gradually inclined until an angle 0 = 15^(@) with the horizontal and the mass just begins to slide . What is the coefficient of static friction between the block and the surface ?

    A block of mass 2kg rests on a rough inclined plane making an angle of 30^@ with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is

    A body is on a rough horizontal surface which is moving horizontally in SHM of frequency 2Hz . The coefficient of static friction between the body and the surface is 0.5 . The maximum value of the amplitude for which the body will not slip along the surface is approximately

    Home
    Profile