Given that the gravitational constant is 7 X 10-11 Nm2kg-2, what is the force of attraction between 106kg mass of lead hanging one metre away from a 103kg mass of iron?
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Correct Answer: Option C
Explanation:
F =
Gm1m2/r2
=
7 x 10-11 x 106 x 103/1m
= 7 x 10-2
F =
Gm1m2/r2
=
7 x 10-11 x 106 x 103/1m
= 7 x 10-2