QUIZ 5--- 2*, 5, 6,  23, 26, 28, 39, 46, 52, 60 * 

2. (a) Top wire has the greatest tension.

(b) 75, 50, and 25 (N) from top to bottom

6. (b) 5460 (N) (c)  7220 (N)
26.  17 degrees to left of vertical (b) 25 degrees to left of vertical (c) It hangs vertically
28.  (a) 3.58 m/s2   and (b) 3.28 m/s.
46. (a) 8.55  m/s2   (b) 4.05 m/s2   
52.  (3/4)*g
60.The length of the springs, starting from the top one, are 14.4 cm, 13.6 cm, and 12.8 cm.