Planet orbits: what's the difference between gravity and centripetal force?
rishav kumar , 12 Years ago
Grade 9
General Physics> Planet orbits: what's the difference betw...
1 Answers
Vikas TU
Gravity is directed towards the center of the orbit i.e. the sun. That makes gravity the centripetal force. Imagine a ball attached to a string and you are holding the other end of the string and moving your hand in such a way that the ball is in circular motion. Then tension in the string is centripetal force.
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