Home
Class 11
PHYSICS
A sphere can roll on a surface inclined ...

A sphere can roll on a surface inclined at an angle `theta` if the friction coefficient is more than `(2)/(7) g sin theta`. Suppose the friction coefficient is `(1)/(7) g sin theta`, and a sphere is released from rest on the incline,

A

it will stay at rest

B

it wil make pure translation motion

C

it will translate and rotate about the centre

D

the angular momentum of the sphere about its centre will remain constant

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MECHANICS

    HC VERMA|Exercise Exercises|86 Videos
  • ROTATIONAL MECHANICS

    HC VERMA|Exercise Objective 1|26 Videos
  • REST AND MOTION : KINEMATICS

    HC VERMA|Exercise Exercises|51 Videos
  • SIMPLE HARMONIC MOTION

    HC VERMA|Exercise Exercises|58 Videos

Similar Questions

Explore conceptually related problems

A sphere can roll without slipping on a surface inclined at an angle theta if the fiiction coefficient is more than (2/7)g sin theta Suppose the friction coefficient is (l/7)g sin theta If a sphere is released from rest on this incline then which ofthe following are possible situations:

A particle is projected up a rough inclined plane of inclination theta and friction coefficient mu . If the time of ascent is half of the time of descent, the friction coefficient mu is equal to

A sylindrical vessel filled with water is released on an inclined surface of angle theta as shown in figure the friction coefficient of surface with vessel is mu(lttantheta) then the constant angle made by the surface of water with the incline will be

A block of mass m is placed on a rough plane inclined at an angle theta with the horizontal. The coefficient of friction between the block and inclined plane is mu . If theta lt tan^(-1) (mu) , then net contact force exerted by the plane on the block is :

A solid sphere is in pure rolling motion on an inclined surface having inclination theta

An inclined plane is inclined at an angle theta with the horizontal. A body of mass m rests on it, if the coefficient of friction is mu , then the minimum force that has to be applied to the inclined plane to make the body just move up the inclined plane is

Small sphere of mass m and radius r is kept on fixed inclined rough surface. Surface makes an angle with the horizontal. Initially centre of sphere is at a height h above the horizontal floor. Coefficient of friction between the sphere and surface is u. Sphere is released from the state of rest. Assume that friction is sufficiet enough to provide pure rolling. Speed of the sphere as it reaches the bottom is