1.

Calculate the force of attraction between two balls each of mass 1kg when their centres are 10cm apart. The value of gravitational constant G = 6.67√ó10-11 Nm2 kg(-2).$

A. 6.67√ó10<sup>-11</sup>N
B. 6.67√ó10<sup>-10</sup>N
C. 6.67N
D. 6.67√ó10<sup>10</sup> N
Answer» C. 6.67N


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