Home
Class 11
PHYSICS
A rigid body is rotating about an axis. ...

A rigid body is rotating about an axis. The best way to stop it is applying

A

pressure at the turning point.

B

upward force at the turning point.

C

downward force at the free end.

D

torque in opposite direction.

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • FORCE

    TARGET PUBLICATION|Exercise Classical Thinking (4.8 Centre of mass)|6 Videos

  • FORCE

    TARGET PUBLICATION|Exercise Classical Thinking (4.9 Centre of gravity)|3 Videos

  • FORCE

    TARGET PUBLICATION|Exercise Classical Thinking (4.6 Moment of force)|5 Videos

  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EXCERCISE|156 Videos

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos

Similar Questions

Explore conceptually related problems

When a circular disc of radius 0.5 m is rotating about its own axis then the direction of its angular momentum is

Radius of gyration of disc rotating about an axis perpendicular to its plane passing through its centre is (If R is the radius of disc)

A body of mass 2kg and radius of gyration 0.5 m is rotating about an axis. If its angular speed is 2 rad/s, then the angular momentum of the body will be

If a solid sphere of mass 1kg and radius 3 cm is rotating about an axis passing through its centre with an angular velocity of 50 rad/s, then the kinetic energy of rotation will be

A body of mass M is rotating about an axis with angular velocity omega . If k is radius of gyration of the body about the given axis, its angular momentum is

When a rectangular coil is rotated about an axis in the plane of coil and perpendicular to magnetic field with steady speed then

A flywheel in the form of disc is rotating about an axis passing through its center and perpendicular to its plane looses 100J of energy , when slowing down from 60 r.p.m. to 30 r.p.m. Find its moment of inertia about the same axis and change in its angular momentum.

If the angular momentum of a rotating body about an axis is increased by 10 %. Its kinetic energy increases by

A thin uniform rod of length 1 m and mass 1 kg is rotating about an axis passing through its centre and perpendicular to its length. Calculate the moment of inertia and radius of gyration of the rod about an axis passing through a point mid way between the centre and its edge perpendicular to its length.

A wheel of moment of inertia 2 kg m^2 is rotating about an axis passing through centre and perpendicular to its plane at a speed 60 rad//s . Due to friction, it comes to rest in 5 minutes. The angular momentum of the wheel three minutes before it stops rotating is