Question

Three Charged Metal Spheres Three identical metal spheres, x, y, and z, are placed at the corners of an equilateral triangle, as shown below. Sphere z has a constant positive charge. Which vector could represent the force on z, when x is positive and y is negative, with the magnitude of the charge on y less than that on x?

Answer 1

Answer is vector E

Reason : sphere z has a constant positive charge .. when X is positive than two spheres will repel each other because like charges repel therefore force vector will lie in third quadrant.. also y is negative means two spheres will attract because unlike charges attract each other but with a lesser force than one from X sphere .. adding these two forces together will give vector E as resultant vector..