Question

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13.2 Electric Force. Coulomb's Law Coulomb's Law: F 2-41 ogaf12 Note that Fi2 is the force on l by 2 and ,-72 points from 2 to 1 is 7 1 Q1Q2 Coulomb's Law : F12 =一五r1 h2 1키 is the unit vector in the direction of P. In general,for multiple discrete charges, net force on chare 1,F (Pairwise vector sum: superposition principle). For convenience, k,2」o 9 × 100 appropriate units. Think How is N3L applicable here? (A) Using dimensional analysis, what are the units of k? Cb) e If the distance between the two charges doubles, what happens to the magnitude of the force? 1f charge Q2 is doubled, how should the distance between Q1 and Q2 change such that the force of Q2 on Q1 stays the same? C

Answer 1

Here coulombs law is main concern and everything will be explained on the basis of that law