The mass of two balls is 0.80 kg each and they are separated by 0.25 meters. Calculate the gravitational
force between the two balls. The gravitational constant is 6.67 x 10-11 Nm2
/kg2
(Fg=G(m1m2/d2
)
A. 5.2 × 10-10 N
B. 6.8 × 10-10 N
C. 7.1 × 10-10 N
D. 2.4 × 1011 N