Question

Two balls of mass = 1.00 kg are floating 10 feet apart. What is the nature of the gravitational forces these balls exert on each other?
a. Fball 1 on ball 2 = Fball 2 on ball 1
b. Fball 1 on ball 2 = -Fball 2 on ball 1
c. Fball 1 on ball 2 < Fball 2 on ball 1
d. Fball 1 on ball 2 > Fball 2 on ball 1

Answer 1

The masses of the balls are the same, so right away you know the answer has to be A or B. Between those two option, I'd probably go with B, since the forces exerted by each mass on the other are in opposite directions.

Answer 2

thanks