Kinematics of Rigid Bodies Problems

Kinematics of Rigid Bodies 5/71 For the instant represented, point B crosses the horizontal axis through point O with a

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Kinematics of Rigid Bodies 5/71

For the instant represented, point B crosses the horizontal axis through point O with a downward velocity v  0.6 m/s. Determine the corresponding value of the angular velocity  OA of link OA. [  OA  3.33 rad/s CW]

SP5/6 Motion of the equilateral triangular plate ABC in its plane is controlled by the hydraulic cylinder D. If the piston rod in the cylinder is moving upward at the constant rate of 0.3 m/s during an interval of its motion, calculate for the instant when   30o the velocity and acceleration of the centre of the roller B in the horizontal guide. Also calculate the angular velocity and angular acceleration of the plate. [  ABC  1.732 rad/s CCW,  ABC  1.732 rad/s2 CCW, vB  0.1732 m/s, aB  0.693 m/s2]

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The wheel rolls without slipping and its position is controlled by the motion of the slider B. If B has a constant velocity of 0.25 m/s to the left, determine the angular velocity of AB, the angular velocity of the wheel, and the velocity of the centre O of the wheel when   0 . [ wheel  1.315 rad/s CCW,  AB  0.354 rad/s CW, vO  0.197 m/s]