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May 16th, 2019, 07:12 AM   #1
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Freely falling object

Are the distances that a freely falling object travels in equal time intervals of 1 second equal?

Last edited by skipjack; May 16th, 2019 at 07:33 AM.
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May 16th, 2019, 07:16 AM   #2
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Not in general, no. Because a freely falling object has gravity acting upon it and causing an acceleration. In an atmosphere, a freely falling object may reach its terminal velocity - a maximum velocity of descent caused by the resistance/frictional effects of the atmosphere. In this case the object does fall at a constant speed.
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May 16th, 2019, 07:39 AM   #3
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Wouldn't a spacecraft in an essentially circular orbit high above the earth be "freely falling" although it remains at the same altitude and speed?
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May 16th, 2019, 03:46 PM   #4
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Quote:
Originally Posted by skipjack View Post
Wouldn't a spacecraft in an essentially circular orbit high above the earth be "freely falling" although it remains at the same altitude and speed?
Yes. The acceleration of the spacecraft is equal to g at that height.

-Dan
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