Question

calculate the force of gravitation due to earth on a ball of 1kg mass laying on the ground mass of earth is 6 X 10*24 kg and radius of the earth is 6.4 X 10*3 km and G = 6.7 X 10 *-11 Nm*2/kg*2.​

Answer 1

Answer:

Gravitational force between earth and ball,

=

R

2

GMm

[Neglecting the radius of ball as it is small]

=

(6400×10

3

)

2

6.67×10

−11

×6×10

24

×1

=

10

10

9.77×10

−3

×10

−11

×10

29

=9.77N