1.

If the force of gravitation between the earth and a body of mass M on its surface be\[\text{9}\times \text{1}0\text{7 N,}\] what would be the value of M? Mass of the earth\[=\text{6}\times \text{1}0\text{24}\,\text{kg}\].

A.              \[\text{9}.\text{2}\times \text{1}{{0}^{\text{3}}}\text{ kg}\]                     
B.  \[\text{9}.\text{2}\times \text{1}{{0}^{5}}\text{ kg}\]
C.  \[\text{9}.\text{2}\times \text{1}{{0}^{\text{6}}}\text{ kg}\]        
D.  \[\text{9}.\text{2}\times \text{1}{{0}^{\text{9}}}\text{ kg}\]
Answer» D.  \[\text{9}.\text{2}\times \text{1}{{0}^{\text{9}}}\text{ kg}\]


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