The figure shows a four-bar linkage that is driven from link O24. If a = 4.5m, b = 6m, c = 8m, d = 12m, θ = 65°, and ω = 15 rad/s. The figure is not to scale.
1: Find the minimum of the transmission angle in degrees.
A) 10.2
B) 20.3
C) 18.4
D) 46.1
E) 0
2: Find the maximum of the transmission angle in degrees.
A) 79.6
B) 86.1
C) 82.8
D) 76.5
E) 89.6
3: Find θ at the toggle positions in degrees.
A) 118.2
B) 112
C) 107.1
D) 103
E) 126.7
4: Find θ in degrees.
A) 23.4
B) 17.7
C) 6.9
D) 14.17
E) 29.7
5: Find ω in degrees.
A) 132.46
B) 129.8
C) 138.37
D) 134.5
E) 156
6: Find ω in rad/s.
A) -0.799
B) -0.675
C) -0.601
D) -0.544
E) -0.95
7: Find ω in rad/s.
A) 0.582
B) 0.378
C) 0.469
D) 0.771
E) 0.125
8: The four-bar linkage shown is:
A) Grashof
B) Structure
C) Pre-loaded Structure
D) None of them
Mechanism
Appendix: