Home
Class 12
PHYSICS
A block of mass is placed on a surface w...

A block of mass is placed on a surface with a vertical cross section given by `y=x^3/6`. If the coefficient of friction is 0.5, the maximum height above the ground at which the block can be placed without slipping is:

A

`1/3m`

B

`1/2m`

C

`1/6m`

D

`2/3m`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN |Exercise EXERCISE (JA)|4 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN |Exercise EXERCISE (O-2)|31 Videos
  • MOTION IN A PALNE

    ALLEN |Exercise SOLVED EXAMPLE|28 Videos
  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-III|28 Videos

Similar Questions

Explore conceptually related problems

A block of mass 2 kg is kept on a rough horizontal floor an pulled with a force F. If the coefficient of friction is 0.5. then the minimum force required to move the block is :-

A block of mass 1 kg is held at rest against a rough vertical surface by pushing by a force F horizontally. The coefficient of friction is 0.5. When

A block is released from rest from point on a rough inclined place of inclination 37^(@). The coefficient of friction is 0.5.

A block of mass 0.1 is held against a wall applying a horizontal force of 5N on block. If the coefficient of friction between the block and the wall is 0.5, the magnitude of the frictional force acting on the block is:

Block A of mass 5kg is placed on long block B having a mass of 5kg . The coefficient of friction between two block is 0.4 . There is no friction between the ground and lower block. The upper block is given a sudden velocity of 10m//s . The upper block slides toward right, so friction force acting on it will be toward left. Its reaction wall act on the lower block, which will act forward . The friction force absorbs x mechanical energy from upper block but supply only y mechanical energy to lower block. Due to friction the velocity of upper block reduces and velocity of lower block increases. This will continue till velocity of both the block get equal. Which curve shows the correct variation of velocity of each block v//s time?

Block A of mass 5kg is placed on long block B having a mass of 5kg . The coefficient of friction between two block is 0.4 . There is no friction between the ground and lower block. The upper block is given a sudden velocity of 10m//s . The upper block slides toward right, so friction force acting on it will be toward left. Its reaction wall act on the lower block, which will act forward . The friction force absorbs x mechanical energy from upper block but supply only y mechanical energy to lower block. Due to friction the velocity of upper block reduces and velocity of lower block increases. This will continue till velocity of both the block get equal. The net energy loss due to friction in the entire process is

A block of mass 2 kg is connected with a spring of natural length 40 cm of force constant K=200 N//m . The cofficient of friction is mu=0.5 . When released from the given position, acceleration of block will be

A block of mass "5kg" is placed on a wedge having inclination of 37^(@) with the horizontal. Coefficient of friction between block and wedge is 0.8. Then select the correct statement.

A block of mass 1kg lies on a horizontal surface in a turck, the coefficient of static fricition between the block and the surface is 0.6, what is the force of fricition on the block. If the acceleration of the truck is 5m//s^(2) .

Block B of mass 100 kg rests on a rough surface of friction coeffcient mu= 1//3. A rope is tied to block B as shown in figure. The maximum acceleration with which boy A of 24 kg can climbs on rope without making block move is :