1.

                                                                The gravitational force of attraction between two spherical bodies, each of mass 100 kg, if the distance between their centres is 100 m, is

A.  \[\text{6}.\text{67}\times \text{1}{{0}^{-\text{11}}}\text{ N}\]                
B.  \[\text{6}.\text{67}\times \text{1}{{0}^{-\text{9}}}\text{ N}\]
C.  6.67 N                
D.  \[\text{6}.\text{67}\times \text{1}{{0}^{-4}}\text{ N}\]
Answer» B.  \[\text{6}.\text{67}\times \text{1}{{0}^{-\text{9}}}\text{ N}\]


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