for the merry go roung thing, what actually is this force which throws you off?? is it the centrifugal force??
Thanks, except for the above thing, i understood what you meant...
my physics teacher told me that: 'for an object placed at the surface of the earth, the gravtitional force must be greater than the normal contact force due to the required centripetal force'
it's alil bit difficult for me to understand this... and if smeone could explain to me what is the...