anyways, i think that frisbee is pretty cool too, not as cool as bhasha of course..but close enough.
well i thought id go and check out the illumin magazine which doc had left us a message about, and i found an article about my second favorite game, after tennis, FRISBEE!
well basically, a frisbee not only stays in the air when we throw it, it rotates as well.
there are three forces acting on a frisbee, weight=mg down ,lift casued by air moving below, and drag caused by air resistance.
a frisbee eventually falls because the air running over the top, becomes more forceful than that which is lifting it.
now rotation occurs, because the lift force on the frisbee is not directly below, but because one throws it at an angle, it is coming from the side at an angle.
it keeps spinning because the torque caused by the lift tries to flip the frisbee over in a certain direction, but as the frisbee moves the torque starts acting in that new direction, keeping a constant balanced rotation.
and why does a frisbee have ridges? well that's because, the ridges form a sort of minor turbulence with the air which keeps the lift air force acting on it longer, thereby allowing the frisbee to fly farther!
wow what a great game frisbee is!
1 comment:
heyyy thanks nikki!
i didnt know you thought i was this cool :)
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