mall identical metal spheres, X and Y, each with a mass of 0,9 me fixed point from threads of equal length. When the spheres re es, they repel each other and come to rest with their centres 40 m reads making an angle of 45' with the vertical. 45 45 0,9 g X 0,9 g 40 mm State Coulomb's law in words. Draw a force diagram to show all the forces acting on Y.​