Mechanics - angular momentum!!!!!!!!

1

thejoker ·2009-10-14 22:39:53

wts the source of question

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xYz ·2009-10-14 22:40:23

irodov.........

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3

iitimcomin ·2009-10-15 02:46:07

dude pls post exact questions ......... cant read all dat uve ritten!!!!!

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1

xYz ·2009-10-15 03:19:23

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19

Debotosh.. ·2009-10-15 08:39:47

something to deal with "precessional movements" !!

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3

msp ·2009-10-16 09:06:31

friction dude.

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1

xYz ·2009-10-16 09:10:46

friction has to be 0as it is pure roling and tangentia acc^N is 0

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3

msp ·2009-10-16 09:12:43

nopes,friction not zero,think why???????

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1

xYz ·2009-10-16 22:08:54

nishant sir.............plz reply

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62

Lokesh Verma ·2009-10-16 22:13:34

There are two possibilities here..

I am not clear whcih one is teh question..

One is when the axis of the cone is parallel to the ground and the vertex of the cone is fixed by something..

The other is when the cone is lying on the ground with its surface

Which condition are we talking about here?

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1

xYz ·2009-10-16 22:15:48

sir the first case that u have mentioned..........
" the axis of the cone is parallel to the ground and the vertex of the cone is fixed by something"..

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62

Lokesh Verma ·2009-10-16 22:23:18

IN that case, you are forgetting theat the point of the vertex is also one where you have a force acting...

Isnt it?

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1

Philip Calvert ·2009-10-17 11:26:59

arrey why the confusion...
It looks straightforward to me..
the angular momentum changes due to the normal reaction of the ground
isnt it ?

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angular momentum!!!!!!!!

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angular momentum!!!!!!!!

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