6.67N
6.56N
7.5N
8.6N
Correct answer is A
F = (Gm1m2) ÷ r2
M1 = 1024Kg, M2 = 1027Kg , r = 102
(Note: the gravitational constant of G = \(6.67 × 10^{ 7ndash; 11}\) \( Nm^2/Kg^2 \)
F = \( (6.67 × 10^{– 11 + 24 + 27)} 10^40 = 6.67 × (10^40 ÷ 10^40)
= 6.67N
f = 6.67N