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Calculate the force of gravitation between the earth and the Sun, given that the mass of the earth = 6 x 10^24 kg and of the Sun = 2 x 10^30 kg.

Q. 16.     Calculate the force of gravitation between the earth and the Sun, given that the mass of the earth=6\times 10^{24}kg and of the Sun =2\times 10^{30}kg   The average distance between the two is  1.5\times 10^{11}m.

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Mass of the earth, ME =6\times 10^{24}kg

Mass of the Sun, MS =2\times 10^{30}kg

Distance between the earth and the sun, d=1.5\times 10^{11}m

Universal gravitational constant, G=6.67\times 10^{-11}N\ kg^{-2}\ m^{2}

The force of gravitation between the earth and the Sun would be given as

\\F=G\frac{M_{E}M_{E}}{d^{2}}\\ F=6.67\times 10^{-11}\times \frac{6\times 10^{24}\times 2\times 10^{30}}{(1.5\times 10^{11})^{2}}\\ F=3.56\times 10^{22}N

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