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CBSE Notes 2011-2012 » XI-Physics

System of Particles and Rotational Motion

Give the geometrical meaning of angular momentum

Short answer question

Give the geometrical meaning of angular momentum

When do we call a body rigid ?

Short answer question

When do we call a body rigid ?

Is it possible to open a pen cap with one finger ? Why ?

Short answer question

Is it possible to open a pen cap with one finger ? Why ?

Why do we place handles at maximum possible distance from the hinges in a door ?

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Why do we place handles at maximum possible distance from the hinges in a door ?

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?

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