Question: three beads are placed on the vertices?
Answer: Three beads are placed on the vertices of an equilateral triangle of side d=3.4cm d = 3.4 c m . The first bead of mass m1=140g m 1 = 140 g is placed on the top vertex. The second bead of mass m2=45g m 2 = 45 g is placed on the left vertex. The third bead of mass m3=85g m 3 = 85 g is placed on the right vertex.