Calculate the force of gravitation between the earth and the Sun, given that the mass of the earth = 6 × 10²⁴ kg and of the Sun = 2 × 10³⁰ kg. The average distance between the two is 1.5 × 10¹¹ m.

Mass of Earth    m=6×10²⁴kg

Mass of Sun    M=2×10³⁰kg

Distance between Sun and Earth   r=1.5×10¹¹ m

Force of gravitation between them 

$F=G\frac{Mm}{r^2}$      

$F=6.67\times {10}^{11}\frac{2\times {10}^{30}\times 6\times {10}^{24}}{{\left(1.5\times {10}^{11}\right)}^2}$

$F=3.557\times {10}^{22 }N$

 Hence the force of gravitation between the Earth and the Sun is 3.557 x 10²²N.