Force 5.2 Field Existence

             Field Existence without Interaction

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Definition of a Field

Existence of Fields

Go to this website for a video:

http://physics.about.com/od/physics101thebasics/f/FieldsPhysics.htm

Fields can exist without anything interacting with them. The Earth's gravitational field would still be there if nothing was on the planet. The field around a magnet would still be there even if there was no metal interacting with it.