Exam 1 Fall 2006 Answers

1)

Top-left:  L = 6; J1 = 7; J2 = 0 ==> DOF = 1

Middle-right:  L = 11; J1 = 14; J2 = 0 ==> DOF = 2

Bottom-left:  L = 11; J1 = 13; J2 = 1 ==> DOF = 3

2)

q = 153.435 = -206.565

3)

4 cm long with direction = -120

4)

5)

q3open = 12

q4open = 77

q3cross = -88

q4cross = -153

6)

q3open = 163.22

d_open (right) = +6.74 cm

q3cross = 16.78

d_cross (left) = -4.74 cm