You are asked to design the decorative mobile shown in Fig. 11.44. The strings and rods have

Question:

You are asked to design the decorative mobile shown in Fig. 11.44. The strings and rods have negligible weight, and the rods are to hang horizontally.
(a) Draw a free-body diagram for each rod.
(b) Find the weights of the balls A, B, and C. Find the tensions in the strings S1, S2, and S3,
(c) What can you say about the horizontal location of the mobile€™s center of gravity? Explain.