Home
Class 11
PHYSICS
A block of mass 2 kg slides down an incl...

A block of mass 2 kg slides down an incline plane of inclination 30°. The coefficient of friction between block and plane is 0.5. The contact force between block and plank is :

A

`20N`

B

`10sqrt3N`

C

`7 sqrt7N`

D

`5sqrt15N`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • FRICTION

    AAKASH SERIES|Exercise PRACTICE SHEET EXERCISE-III)(LEVEL-II) (LINKED COMPREHENSION TYPE QUESTIONS)|1 Videos

  • FRICTION

    AAKASH SERIES|Exercise PRACTICE SHEET EXERCISE-IV)(LEVEL-I) (STRIAGHT OBJECTIVE TYPE QUESTIONS)|1 Videos

  • FRICTION

    AAKASH SERIES|Exercise PRACTICE SHEET EXERCISE-II)(LEVEL-II) (MORE THAN ONE CORRECT ANSWER TYPE QUESTIONS)|1 Videos

  • FLUID MECHANICS

    AAKASH SERIES|Exercise Questions for Descriptive Answers|14 Videos

  • GAUSS.S LAW

    AAKASH SERIES|Exercise PROBLEMS (LEVEL - II)|12 Videos

Similar Questions

Explore conceptually related problems

A body is sliding down a rough inclined plane. The coefficient of friction between the body and the plane is 0.5. The ratio of the net force required for the body to slide down and the normal reaction on the body is 1:2. Then, the angle of the inclined plane is

A body of mass 10kg is on a rough inclined plane having an inclination of 30° with the horizontal. If coefficient of friction between the surfaces of contact of the body and the plane is 0.5. Find the least force required to pull the body up the plane.

A block of mass of 2 kg slides on an inclined plane that makes an angle of 30^(@) with the horizontal . The coefficient of friction between the block and the surface is sqrt(3)//2 . What force should be applied to the block so that it moves down without any acceleration ?

A block of mass of 2 kg slides on an inclined plane that makes an angle of 30^(@) with the horizontal . The coefficient of friction between the block and the surface is sqrt(3)//2 . What force should be applied to the block so that it moves up without any acceleration ?