Two metal spheres of same material and radius 'r are in contact with each other. The gravi-
tational force of attraction between the spheres is given by (k is a constant).
WF = kr
2) F=k/r2
3) F= /42²4 ) F = kr²
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Answer:
2 nd option
Explanation:
F is force between them and k we it as constant and r^2 according to formula
Gm=gm/r2
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