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OpenStudy (spacemountain):
Which of the following pairs of objects would have the strongest gravitational pull? A. two tall buildings in the same city B. two tall buildings in different cities C. two stars very far away from each other D. two stars very close to each other (my answer) @shifuyanli
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OpenStudy (anonymous):
you think D?
OpenStudy (anonymous):
Recall that gravitational force can be measure using the formula: F = G*m1*m2 / r^2 where m1 and m2 are the masses of the objects, and r is the distance between them. Thus, F is largest when the objects are very massive, and they are close with each other. And therefore, it's "two stars very close to each other".
OpenStudy (anonymous):
:)
OpenStudy (spacemountain):
Thanks!!
OpenStudy (anonymous):
welcome!!!!
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