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- PHY102 Physics II © Dr.Cem Özdoğan
- Fig. 21-8 (a) Two charged particles of charges q1 and q2 are fixed in place on an x axis. (b) The free-body diagram for particle 1, showing the electrostatic
- force on it from particle 2.
- Example, The net force due to two other particles:
- First magnitude then direction
- Thus, force in unit-vector notation is