# Four charged particles are at the corners of a square

Posted By Admin @ September 03, 2022

#### Question:

Four charged particles are placed so that each particle is at the corner of a square. The sides of the square are 15 cm. The charge at the upper left corner is +3.0 ?C, the charge at the upper right corner is ?6.0 ?C, the charge at the lower left corner is ?2.4 ?C, and the charge at the lower right corner is ?9.0 ?C. A. What is the net electric force on the + 3.0 ?C charge? B. What is the net electric force on the ? 6.0 ?C charge? C. What is the net electric force on the ? 9.0 ?C charge?

#### Answer:

(i) Part 1

Net force on 3 uC charge

Force due to - 6 uC

Force due to -2.4 uC charge

Force due to 9 uC charge

Now net force is given as

Part 2

Net force on -6 uC charge

Force due to 3 uC

Force due to 9 uC charge

Force due to -2.4 uC charge

Now net force is given as

PART 3

Net force on 9 uC charge

Force due to - 6 uC

Force due to -2.4 uC charge

Force due to 3 uC charge

Now net force is given as

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