Question

Calculate the gravitational force between a 10 kg ball and 20 kg ball

Answer 1

Answer:

$5.34\cdot 10^{-10} N$

Explanation:

The gravitational force is an attractive force exerted between any objects with mass.

The magnitude of the gravitational force between two objects is given by:

$F=G\frac{m_1 m_2}{r^2}$

where

G is the gravitational constant

m1, m2 are the masses of the two objects

r is the separation between the two objects

In this problem, we have:

$m_1 = 10 kg$ is the mass of the 1st ball

$m_2 = 20 kg$ is the mass of the 2nd ball

r = 5 m is the separation

So, the gravitational force between them is

$F=(6.67\cdot 10^{-11})\frac{(10)(20)}{5^2}=5.34\cdot 10^{-10} N$