How do the forces of gravity and magnetism differ?

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Essentially, how do the two forces differ in the way they attract two objects together? I understand that gravity is a relationship between any two objects with mass, and gravity’s “pull” is visualized as an object creating a depression in space; the more massive the object the deeper the depression. But how would you define magnetic force in terms of the relationship between two objects? Is there a comparable way to visualize magnetic force as in the gravity example?

In: Physics

4 Answers

Anonymous 0 Comments

You can picture magnetism similarly, but it won’t give quite as good an approximation. Remember that the whole ‘depression in a rubber sheet’ thing is just an analogy.

However, magnetism unlike gravity has two different poles. While gravity forms a trough, magnetism forms a peak and trough. Graph these to get an idea of the difference: gravity = -1/(x^2) | magnetism = 10/( (1/x)+x )

Keep in mind that magnetism also only interacts with magnetic things.

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