College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

Exercise 91

Locate the center of mass of the system shown in Fig. (a) if all of the masses are equal; (b) if m 2 = m 4 = 2 m 1 = 2 m 3 ; (c) if m 1 = 1.0 kg, m 2 = 2.0 kg, m 3 = 3.0 kg, and m 4 = 4.0 kg.

FIGURE Where's the center of mass See Exercise.