What is the differences of electrostatic and electromagnetic force?

1 Answer
Jan 5, 2017

Electrostatic force is the force between static (not moving relative to each other) electric charges. Electromagnetic forces are any interactions due to photon exchange and INCLUDES electrostatic forces.


The Electrostatic Force between two objects is given by Coulomb's Law


where #q_1# and #q_2# are the charges on the two objects, respectively, and #r# is the distance between them. This force can either be attractive or repulsive depending on whether the charges are opposite or same.

The Electromagnetic Forces are a set of forces, including Electrostatic Forces, and the forces caused by charges moving near each other. Moving charges cause magnetic fields and experience force from each other as a result.

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