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
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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
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