Answer to Question #252505 in Mechanics | Relativity for Kundan

Question

Calculate the force of gravitation between the Earth and the Sun is given that the mass of the earth is equal to 6 x 10 raise to 24 kg and of the sun is equal to 2 x 10 raise to 30 kg the average distance between the two is 1.5 x 10 raise to 20

Answer 1

We can find the force of gravitation as follows:

$$F=\dfrac{GM_SM_E}{r^2},$$ $$F=\dfrac{6.67\cdot10^{-11}\ \dfrac{N\cdot m^2}{kg^2}\cdot2\cdot10^{30}\ kg\cdot6\cdot10^{24}\ kg}{(1.5\cdot10^{11}\ m)^2}=3.5\cdot10^{22}\ N.$$