Calculate the force of attraction between two balls each of mass 1kg when their centres are 10cm apart. The value of gravitational constant G = 6.67×10^-11 Nm^2 kg^(-2).
(a) 6.67×10^-11N
(b) 6.67×10^-10N
(c) 6.67N
(d) 6.67×10^10 N
The question was asked in class test.
My question comes from Weight of a Body topic in division Mechanical Properties of Solids of Engineering Physics I