|
|
|
|
|
| Author |
Message |
![[Post New]](/templates/default/images/icon_minipost_new.gif) 29 Mar 2007 19:53:51 IST
|
|
|
 I m not sure abt my ans. but i think wen we consider a block resting on a horizontal surface N=mg where m is the total mass of the block... Similarly 4 the ring we 've 2 consider its whole mass m (not dm). So N=mg
|
this reply: 2 points
(with 0 
in 1 votes ) [?]
|
|
You have to be logged on to rate
|
|
|
|
|
|
|
|
|
|
Moderation Team
![[Up]](/templates/default/images/icon_up.gif "[Up]"){kind=icon}
1
