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

They are almost completely different.

Electromagnetism is a well understood effect of the electromagnetic quantum field. The photon is the quantum force carrier of the field. Quantum electrodynamics fully integrates this quantum representation of the Universe with special relativity.

Gravity is a shape property of space itself, explained by general relativity. A quantum theory of gravity is not yet known, and creating one is an active research element in the physics community today.

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