Question

What will be the gravitational force between earth and an object of 1kg placed on its surface. Here, the mass of earth is 6*10²4 kg, and distance from the earth to the earth's surface is 6400km..​

Answer 1

Answer:

Given : Mass of earth M=6×10

24

kg

Mass of object m=1 kg

Radius of earth R=6.4×10

6

m

Force of gravitation between them, F=

R

2

GMm

F=

(6.4×10

6

)

2

6.67×10

−11

×(6×10

24

)×1

=9.77 N