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Pastimes : NNBM - SI Branch -- Ignore unavailable to you. Want to Upgrade?

To: Clappy who wrote (29040)	9/26/2003 4:27:47 PM
From: lurqer	Read Replies (2) \| Respond to of 104216

What stops it from being pulled back towards earth? Newton's Laws of Motion. Since any object in motion will tend to keep on moving at that speed in a straight line (more precisely along the local geodesic), in a rotating situation there is an apparent "centrifugal force". The classic thought experiment is to tie a rock on the end of a string and then twirl it around in a vertical plane. Why doesn't the rock fall straight down, when it is above your head? If you are interested in the space elevator you might peruse isr.us particularly isr.us and isr.us Enjoy. lurqer