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# Comparison of Three Magnetic Gravitational Electric Fields

by Linda Wang

#### Transcript of Comparison of Three Magnetic Gravitational Electric Fields

Graviational Field satellites can escape from Earth’s gravitational field, which means that it never gets pull down to Earth again if it reaches its Escape Energy when Total Energy is zero Newton's Law of Universal Gravitation states that Fg is always an attractive force the constant “G” is a very small numerical value of 6.674×10−11 N m2 kg−2 Fg keeps the the planets in orbit with the sun have no polarity strength of field is directly proportional the mass of the two objects strength is the gravitational force per unit of mass Magnetic Field produced by moving electric charges, by electric fields that vary in time, and by the "intrinsic' magnetic field of elementary particles associated with the spin of the particle referred to B field or the H field intensity is measured as "B" in Teslas Lorentz Law states: F=qvBsin(x), where F can be maximalized when x=90º direction of magnetic force per unit test current element Fm is proportional to charge and velocity of the particle Magnetic fields are polar fields F=IlBsin(x) Electric Field region which a force of Fe is exerted on an electric charge Coulomb's Law states: Kq*q/r^2 the intensity of the field is measured as electric force per unit of charge, E=Fe/q Fe can be an attractive force between opposite charges and a repulsive force between same charges Constant "K" i sa large value of 9.0 x 10^9 N • m^2 / C^2 both are inversely proportional to distance squared forces join the centre of the two objects/charges together in both case, assume "d" is longer than radius of the two objects both have a constant in their equation both are not fields associated with polarity all vector fields for both cases, same charges/poles repel and opposites attract adjacent field lines in a region will appear close together if the intensity increases for both 3D fields with both magnitude and direction in all three dimensions similarities between Electric Field & Gravitational Field similarities between Magnetic Field

& Electric Field Thank You.

Full transcript& Electric Field Thank You.