3.7.1 Fields

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Last updated 6:24 AM on 10/7/24
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8 Terms

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Force Field

An area in which an object experiences a non-contact force.

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Vectors

Mathematical representations that describe the direction of the force exerted on an object within a force field.

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Field Lines

Diagrams used to represent force fields, where the distance between lines indicates the strength of the force.

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Gravitational Fields

Force fields formed during the interaction of masses.

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Electric Fields

Force fields formed during the interaction of charges.

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Similarities between gravitational fields and electric fields

  • Forces both follow an inverse-square law

  • Use field lines to be represented

  • Both have equipotential surfaces

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Differences between gravitational fields and electric fields

  • In gravitational fields, the force exerted is always attractive, while in electric fields the force can be either repulsive or attractive.

  • Electric force acts on charge, while gravitational force acts on mass.

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Equipotential Surfaces

Surfaces in both gravitational and electric fields where the potential energy is constant.