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remy2012 remy2012
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2 weeks ago

What was the basis for Isaac Newton's conclusion that a force from the Earth must be acting on the Moon?



A force is needed to keep the Moon in motion in its orbit.



A force is needed to pull the Moon outward.



A force is needed to accelerate the Moon toward the Earth, away from straight-line motion.



The Moon moved at a constant velocity in a straight line.

Textbook 
ASTRO

ASTRO


Edition: 3rd
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smiller94107smiller94107
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remy2012 Author
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2 weeks ago
Smart ... Thanks!
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Thank you, thank you, thank you!
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2 hours ago
this is exactly what I needed
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