A solid cylinder of mass 2 kg and radius...

A solid cylinder of mass 2 kg and radius 4 cm is rotating about its axis at the rate of 3 rpm. The torque required to stop it after 2`pi` revolutions is

2`×10^6` Nm

2`×10^-6` Nm

2`×10^-3` Nm

12`×10^-4` Nm

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

MOTION OF SYSTEM OF PARTICLES AND RIGID BODIES
SURA PUBLICATION|Exercise MATCH THE FOLLOWING :|4 Videos
MOTION OF SYSTEM OF PARTICLES AND RIGID BODIES
SURA PUBLICATION|Exercise FILL IN THE BLANKS :|10 Videos
MOTION OF SYSTEM OF PARTICLES AND RIGID BODIES
SURA PUBLICATION|Exercise NUMERICAL PROBLEMS|12 Videos
KINETIC THEORY OF GASES
SURA PUBLICATION|Exercise VALUE BASED QUESTIONS|4 Videos
NATURE OF PHYSICAL WORLD AND MEASUREMENT
SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS|241 Videos

Similar Questions

Explore conceptually related problems

A solid cylinder of mass 3 kg and radius 10 cm is rotating about its axis with a frequency 20//pi . The rotational kinetic energy of the cylinder

The moment of inertia of a thin uniform ring of mass 1 kg and radius 20 cm rotating about the axis passing through the center and perpendicular to the plane of the ring is

A solid cylinder of mass 50 kg and radius 0.5 m is free to rotate about the horizontal axis. A massless string is wound round the cylinder with one end attached to it and other hanging freely. Tension in the string required to produce an angular acceleratrion of 2 revolutions s^-2 is

A solid sphere of mass 20 kg and radius 0.25 m rotates about an axis passing through the center. What is the angular momentum if the angular velocity is 5 rad/s .

A solid sphere of mass m and radius R is rotating about its diameter. A solid cylinder of the same mass and same radius is also rotating about its geometrical axis with an angular speed twice that of the sphere. The ratio of their kinetic energies of rotation (E_(sphere) // E_(cylinder)) will be :

A wheel of mass 8 kg and radius of gyration 25 cm is rotating at 300 rpm what is its moment of inertia.

If a solid sphere and solid cylinder of same mass and radius rotate about their own axis the M.I. will be greater for

SURA PUBLICATION-MOTION OF SYSTEM OF PARTICLES AND RIGID BODIES-MULTIPLE CHOICE QUESTIONS :

Four identical spheres each of mass m are placed at the corner of squa...
Text Solution
|
Two blocks of masses 20 kg and 5 kg are connected by a spring of negli...
Text Solution
|
A solid cylinder of mass 2 kg and radius 4 cm is rotating about its ax...
Text Solution
|
Two identical particles move towards each other with velocity 2 v and ...
Text Solution
|
Two objects which are initally at rest, move towards each other under ...
Text Solution
|
If force acts on a body, whose line of action does not pass through it...
Text Solution
|
A couple produces motion.
Text Solution
|
A solid cylinder of mass 2 kg and radius 50 cm rolls up an inclined pl...
Text Solution
|
If I, alpha and tau are MI, angular acceleration and torque respective...
Text Solution
|
Which of the following has largest M.I
Text Solution
|
A dancer on ice spins faster when she folds her arms. This is due to
Text Solution
|
A bomb travelling a parabolic path explodes in mid air. The C.M. Of fr...
Text Solution
|
Consider a system of two identical particles. One is at rest and the o...
Text Solution
|
The least coefficient of friction for an inclined plane inclined at an...
Text Solution
|
Three identical spherical shells, each of mass m and radius r are plac...
Text Solution
|
A ball rolls without slipping. The radius of gyration of the ball abou...
Text Solution
|
The direction of angular velocity vector is along:
Text Solution
|
If there is change of angular momentum from J to 4J in 4S, then the to...
Text Solution
|
When a mass is rotating in a plane about a fixed point, its angular mo...
Text Solution
|
The ratio of the radii of gyration of a circular disc to that of circu...
Text Solution
|