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    Dynamics (Angular Velocity, Angular Acceleration)

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    2 practice quiz problems which I need help on. Please give explanation of each problem as well as the answer:

    1) Member AB rotates about pin A at a constant 10 rad/s. What is the acceleration of point C at the instant shown?
    a) 13.4m/s^2
    b) 7.51m/s^2
    c) 17.2 m/s^2
    d) 11.5 m/s^2
    e) 9.63 m/s^2

    2) Wheel A rotates counterclockwise at an angular velocity and acceleration of 3 rad/s and 1.5 rad/s2, respectively. What is the angular acceleration of bar BC?
    a) .267 rad/s^2 (clockwise)
    b) .500 rad/s^2 (clockwise)
    c) .167 rad/s^2 (clockwise)
    d) .423 rad/s^2 (clockwise)
    e) .333 rad/s^2 (clockwise)

    *Please see attachment for diagrams and figures!

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    Solution Summary

    The answers are explained step-by-step equationally in an attachment.