| 
         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. |