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CBSE Notes 2011-2012 » XI-Physics

System of Particles and Rotational Motion

When the earth shrinks, without reducing its mass, what change will be there in the duration of a da...

Short answer question

When the earth shrinks, without reducing its mass, what change will be there in the duration of a day ?

When a sphere of radius r rolls with its COM having a linear velocity v, what is the velocity of (i)...

Short answer question

When a sphere of radius r rolls with its COM having a linear velocity v, what is the velocity
of (i) the lower-most point in contact with the surface and (ii) the top-most point?

When a sphere, ring, disc and a spherical shell are coming down an inclined plane, rolling without s...

Short answer question

When a sphere, ring, disc and a spherical shell are coming down an inclined plane, rolling
without slipping, which will reach the ground first ?

If friction can provide necessary centripetal force, why should the road be banked ?

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If friction can provide necessary centripetal force, why should the road be banked ?

What is the cause and outcome in a rotational motion ?

Short answer question

What is the cause and outcome in a rotational motion ?

Give the geometrical meaning of angular momentum

Short answer question

Give the geometrical meaning of angular momentum

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