Asked by Anonymous

Four 7.5 kg spheres are located at the corners of a square of side 0.74 m. Calculate the magnitude and direction of the gravitational force on one sphere due to the other three.

Answers

Answered by bobpursley
Use symettry. YOu know the force will be diagonal.
the side components will be
2G*m^2/.74^2 Cos45
and the diagonal will be
G*m^2/(.74*1.414)^2

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Answered by Anonymous
i got 1.71E-8 and that was wrong and then i got 1.03E-8 and it was still wrong
Answered by susan
with sig figs the answer should be
2.0*10^-8 N towards the center of the circle
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