1. The Moon's mass is 7.34 x 1022 kg, and it is 3.8 x 105 km away from Earth. Earth's mass is 5.97 x 1024 kg. Calculate the gravitational force of attraction between Earth and the Moon.

2.03 x 10²⁴N

Explanation:

Given parameters:

Mass of moon = 7.34 x 10²²kg

Mass of the earth  = 5.97 x 10²⁴kg

Distance  = 3.8 x 10⁵km

Unknown:

Gravitational force of attraction  = ?

Solution:

To find the gravitational force of attraction between the masses, we use the expression below;

   F =

G is the universal gravitation constant

m is the mass

1 and 2 represents moon and earth

r is  the distance

  F =

 F =  = 2.03 x 10²⁴N