|Jun24-12, 05:45 AM||#1|
Momentum or Earth?
Earlier I was thinking about circular motions and centripetal forces and the earth around the sun, If p=mv and the velocity of a object in circular motion is constantly changing does this mean Earth's momentum is constantly changing?
or is it that earth is travelling on a straight path through curved space-time and does not have centripetal force?
|Jun24-12, 07:15 AM||#2|
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