Answers to problems due on 11/12

57 T= 4.6 N
60 x=-1.18 m, b. 1.35 s, c 3.5 m/s
67 a. T1= 14000N, b. T2 = 11000N, Fc= 2700N toward counterweight
71 a. 4.55m/s^2, b. 2.59 m/s^2
74a. 466N, b. 527N, c. 1050N, d. N always equals 2T so 932N, 1050N, 1860N and 2110 N
optional
63 F= 566N, b. 1130N
64a. 4.9m/s^2, b and c. a= 2m/s^2 , T= 120N
65 1.8000N