EASY
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IMPORTANT
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The rigid body is a thin circular wheel and the force is applied at the centre as shown in figure. The force of friction acting on the wheel is


(a), backward
(b), backward
(c), forward
(d), forward

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Important Questions on System of Particles and Rotational Motion
EASY
JEE Main/Advance
IMPORTANT
A constant force has been applied upon the plank of mass . Upon plank, a thin circular wheel of mass and radius has been placed. There is no slipping between plank and wheel. The friction force upon wheel, will be

MEDIUM
JEE Main/Advance
IMPORTANT
When a uniform solid sphere mass rolls from rest down an inclined plane such that its centre of mass descends through a heigh , its translational kinetic energy will be

EASY
JEE Main/Advance
IMPORTANT
A solid spherical ball rolls down without slipping on incline. What fraction of total energy is associated with rotation?

EASY
JEE Main/Advance
IMPORTANT
On reaching by pure rolling at the bottom of incline the fraction of in rotational motion is . Then the objects is perhaps

EASY
JEE Main/Advance
IMPORTANT
A particle performs uniform circular motion with an angular momentum . If the frequency of particle motion is doubled and its kinetic energy is halved, the angular momentum becomes,

EASY
JEE Main/Advance
IMPORTANT
A particle moves upon straight line with constant velocity along the straight line . The angular momentum of particle about origin, in will be

EASY
JEE Main/Advance
IMPORTANT
A disk is undergoing pure rolling motion with speed . The radius of the disk being and mass being . Then the angular momentum of the disk about the bottom most point will be having magnitude equal to

EASY
JEE Main/Advance
IMPORTANT
A disk is undergoing pure rolling motion with speed . The radius of the disk being and mass being . Then the angular momentum of the disk about the top most point will be having magnitude equal to
