Gravitational Forces in 2D Video Lessons

Example

# Problem: a. What is the gravitational force of the sun on the earth?b.  What is the gravitational force of the moon on the earth?c. The moon's force is what percent of the sun's force?

###### FREE Expert Solution

The gravitational force, F, that a body  of mass m exerts in a distance r is given by:

$\overline{){\mathbf{F}}{\mathbf{=}}\frac{\mathbf{G}{\mathbf{m}}_{\mathbf{1}}{\mathbf{m}}_{\mathbf{2}}}{{\mathbf{r}}^{\mathbf{2}}}}$

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###### Problem Details

a. What is the gravitational force of the sun on the earth?
b.  What is the gravitational force of the moon on the earth?
c. The moon's force is what percent of the sun's force?