Question Solved1 Answer 1. (100 points) Four identical positive charges q are located on corners of a plastic square of width a. The origin is located at the center of a rectangular as indicated in the diagram. The plastic square is neutral and the polarization of the plastic can be ignored in this problem. У Х a A. How many total electrical forces are there present on all four charges, counting each nonzero force exerted by a particle on a particle as a separate force. B. What is the total net force on the system of four charges? Briefly explain how you know this. C. Calculate the magnitude of the force on charge in the lower-left-hand corner. D. What is the magnitude of the net electric field far r >> a from the square?

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Transcribed Image Text: 1. (100 points) Four identical positive charges q are located on corners of a plastic square of width a. The origin is located at the center of a rectangular as indicated in the diagram. The plastic square is neutral and the polarization of the plastic can be ignored in this problem. У Х a A. How many total electrical forces are there present on all four charges, counting each nonzero force exerted by a particle on a particle as a separate force. B. What is the total net force on the system of four charges? Briefly explain how you know this. C. Calculate the magnitude of the force on charge in the lower-left-hand corner. D. What is the magnitude of the net electric field far r >> a from the square?
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Transcribed Image Text: 1. (100 points) Four identical positive charges q are located on corners of a plastic square of width a. The origin is located at the center of a rectangular as indicated in the diagram. The plastic square is neutral and the polarization of the plastic can be ignored in this problem. У Х a A. How many total electrical forces are there present on all four charges, counting each nonzero force exerted by a particle on a particle as a separate force. B. What is the total net force on the system of four charges? Briefly explain how you know this. C. Calculate the magnitude of the force on charge in the lower-left-hand corner. D. What is the magnitude of the net electric field far r >> a from the square?
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Hii (A) every charge exert a electric force on other charge. So every charge here will experience three forces.(B) Fret =0; by newton's thrid law everg charge Cembination exerts equal and opposite force on each other so they cancel out each otheris force and F_(net)=0(c){:[F_(1)=F_(2)=(kq)/(a^(2));F_(3)=(kq)/(2a^(2))],[ ... See the full answer