Four masses are positioned at the corners of a rectangle, as indicated in Figure T2-23. (a...

Four masses are positioned at the corners of a rectangle, as indicated in Figure T2-23. (a) Find the magnitude and direction of the net force acting on the 2.0-kg mass. (b) How do your answers to part (a) change (if at all) if all sides of the rectangle are doubled in length?

FIGURE 11-23