ch5 question20

Physics: Principles with Applications

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Unformatted text preview: Question 16 This question is essentially the same as Question 5. The answer is that it's the high tangential velocity of the satellite that keeps it up in orbit. If the satellite stops moving it would fall back to the Earth. The role of the gravitational force is to keep the satellite from flying off tangentially. The combination of the high speed and the centripetal gravitational force sets the satellite in the circular orbit. It is NOT a "centrifugal" force that keeps the satellite up there. ...
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This document was uploaded on 02/05/2008.

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