Question

Find the mass of sun if it is 1.5×10¹¹m away from the earth and the gravitational force between the two is 3.5×10²²N.​​

Answer 1

Answer

Given : Mass of earth m=6×10

24

kg

Mass of Sun M=2×10

30

kg

Distance between sun and earth r=1.5×10

11

m

Force of gravitation between them F=

r

2

GMm

F=

(1.5×10

11

)

2

6.67×10

−11

×(6×10

24

)×(2×10

30

)

=3.557×10

22

N