What is the force acting on the middle charge?

Three particles of charges +61\mu C μ C , -43\mu C μ C , and -92\mu C μ C are placed in a line so that the middle charge is 31 cm from each of the others. What is the force acting on the middle charge?


376 N
239 N
615 N

2017-04-11T00:37:33.809Z