The crank CB oscillates about C through alimited are, causing crank OA to oscill

Question

The crank CB oscillates about C through alimited are, causing crank OA to oscillate about O. For the instant shown, the angular velocity of CB is 2 rad/s counterclockwise. At this instant: Velocity of the pin B is 0.1 5 i m/s; 0.3 j m/s; -0.15j m/s; - 0.3 m/s; zero. Angular velocity of the link AB (omega_AB) is 1.234 rad/s counterclockwise; 0.857 rad/s clockwise; 0.857 rad/s counter clockwise; 0.342 rad/s clockwise; none of these. Velocity of the pin A is 0.0429i m/s; 0.0324j m/s; 0.324i m/s; - 0.0429i m/s; none of these. Angular velocity of the link OA (Omega_OA) is 0.428 rad/s counter clockwise; 0.134 rad/s clockwise; 0.428 rad/s clockwise; insufficient data; none of these. The x and y coordinates of the instantaneous center of the link AB with respect to the hinge point O are (175, 100) mm; (0, 100) mm; (0, 50) mm; (175, 50) mm; none of these

Explanation / Answer

1. V=*r=2*0.075=0.15m/s and will be negative as counterclockwise (C) -0.15j m/s

2. (C) 0.867rad/s counterclockwise

3.

4.

5. (B) (0,100)mm

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