Universal Law of Gravitation Video Lessons

Concept

Problem: When the distance between the two stars decreases by half, the force between themA) decreases by one quarterB) decreases by one halfC) increases by twice as muchD) increases to four times as muchE) stay the same*And Why?

FREE Expert Solution

In this problem, we are going to apply Newton's law of gravitation.

Newton's law of Gravity:

$\overline{){{\mathbf{F}}}_{{\mathbf{G}}}{\mathbf{=}}\frac{\mathbf{G}\mathbf{M}\mathbf{m}}{{\mathbf{R}}^{\mathbf{2}}}}$

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Problem Details

When the distance between the two stars decreases by half, the force between them
A) decreases by one quarter
B) decreases by one half
C) increases by twice as much
D) increases to four times as much
E) stay the same
*And Why?