Problem 2. (15 points)

Crank AB of the engine system shown below has a constant clockwise angular velocity of 2000 rpm.

The connecting rod BD has a clockwise angular velocity of 62.0 rad/s. The angle 3 = 13.95°. For

the crank position shown below, determine the angular acceleration of the connecting rod BD and

the acceleration of point D.

r=3 in.

40°

1=8 in..

G

D

P