Question

Kinematics of Machines

Z. PIN-IN-SLOT THREE-BAR MECHANISM.

Link 1: fixed, horizontal, R = 10 in.

Link 2: moving, R = 3 in., Point B is a pin, inserted into the slot in Link 3, 02 = 105°, w2 = 10 deg/s ccw

Link 3: moving, long straight slotted link, with one end pinned to point C on the ground with a revolute joint

X. (+10 bonus points) For problem 1, determine whether link 2 can rotate a complete 360degrees. Prove or demonstrate your answer.

Y. (+10 bonus points) For problem 2, determine whether link 2 can rotate a complete 360degrees. Prove or demonstrate your answer.

(A) (+10 bonus points) Use the method of velocity vector polygons to calculate Wz. Reportthe direction.

(B) (+5 bonus points) Find the magnitude and direction of the sliding velocity at point B.


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