By definition, the gravitational force is given by:
[tex] F = G(\frac{m1m2}{r^2}) [/tex]
Where,
G: gravitational constant
m1: mass of object 1
m2: mass of object 2
r: distance between objects:
We know that the force is equal to 10N:
[tex] G(\frac{m1m2}{r^2}) = 10 [/tex]
If the distance is double we have:
[tex] F = G(\frac{m1m2}{(2r)^2}) = G(\frac{m1m2}{4r^2}) = \frac{1}{4}G(\frac{m1m2}{r^2}) [/tex]
[tex] \frac{1}{4}(10) = 2.5 [/tex]
Therefore, the new force is:
2.5 newtons
Answer:
the changed force of attraction between them is:
A. 2.5 newtons
