Homework Help: Physics

Posted by Marty on Wednesday, March 26, 2008 at 6:48pm.

Calculate the work done by planet X on its moon.
Planet X applies a force of 5.6 x 10^10 N on its moon and the moon is 4.0 x 10^8 km away from the planet and it continues to circle the planet in a circular orbit of circumference of 2.5 x 10^9 m.

Physics - bobpursley, Wednesday, March 26, 2008 at 6:54pm
The displacement is not in the direction of the gravity, so no work is done.

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