Thursday, September 16, 2010

Air resistance

aerodynamic drag force

'a  frictional force, which tends to remove the speed of a body moving through air and cause the body to fall to the ground before it has completed its parabolic flight path. Air resistance increases with speed and lightness of the body. It is also increased by motions, such as the quivering of an arrow, the spinning of a ball, or the flapping of shoe laces, when the motions are in a direction other than that of the whole body. Air resistance is affected by the surface covering and shape of the body'

eg shoes that supports jumping


see the flat no bump tongue?

this pair has a tongue
but flat/solid/whatever

this is the reason why you shoe(with a huge bumpy tongue)
I'm saying that your shoe can't be fit for basketball?

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