Question

In gravitational force ,the force is-1.directly proportanal to ; 2. Invertily proportional to

Answer 1

Answer :
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F = GmM/r²

Force directly proportional to Masses of two bodies 

Force inversely proportional to distance between them 
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Answer 2

Gravitational force between two bodies is
1. Directly proportional to products of their masses
2. Inversely proportional to square of distance between them

F ∝ Mm / d²

F = GMm / d²

Where G = Universal Gravitational constant = 6.67 × 10⁻¹¹ N kg² / m²