Page 177 - Dynamics of Mechanical Systems
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0593_C05_fm Page 158 Monday, May 6, 2002 2:15 PM
158 Dynamics of Mechanical Systems
Q
W
P r O n
O 2
r
i
C n 1
B
FIGURE P5.3.7
A wheel with a hub/cable lifting a block B.
P5.3.8: For the linkage shown in Figure P5.3.8 and for the position shown, determine the
velocity and acceleration of points A and B.
A
ω = 5 rad/sec
OA
α = 2 rad/sec
OA
40 cm
Q
O
100 cm
30 cm
B
FIGURE P5.3.8
A four-bar linkage.
P5.3.9: Repeat Problem P5.3.8 for the linkage shown in Figure P5.3.9.
α = 3 rad/sec 2 A
OA
B
ω = 5 rad/sec
30ø OA
3 in
1.5 in
O Q
8 in
FIGURE P5.3.9
A four-bar linkage.
