Question

Question 37:
The mass of sun is 2 x 1030 kg and the mass of earth is 6 x 1024 If the average distance between the sun and the earth be 1.5 x 108 km, calculate the force of gravitation between them.
Lakhmir Singh Physics Class 9

Answer 1

let mass of earth be m1

let mass of sun be m2

let the distance between then be r

by newtons gravitational law

fis proportional to m1m2/r^2

f=2*1030*6*1024/1.5*108

f=632820newtons