1. The assembly shown rotates about the rod AC. At the instant shown, the assembly has an angular velocity of 5 rad/s th

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1 The Assembly Shown Rotates About The Rod Ac At The Instant Shown The Assembly Has An Angular Velocity Of 5 Rad S Th 1 (139.4 KiB) Viewed 67 times

1. The assembly shown rotates about the rod AC. At the instant shown, the assembly has an angular velocity of 5 rad/s that is increasing with an angular acceleration of 25 rad/s2. Knowing that the y-component of the velocity of corner D is negative at this instant in time, determine the velocity and acceleration of corner E. 4 B С 200 mm 0 130 mm 100 mm E 240 mm 2. Load B is connected to a double pulley by one of the two inextensible cables shown. The motion of the pulley is controlled by cable C, which has a constant acceleration of 9 in./s2 and an initial velocity of 12 in./s, both directed to the right. Determine (a) the number of revolutions executed by the pulley in 2 s, (b) the velocity and change in position of the load B after 2 s, and (c) the acceleration of point D on the rim of the inner pulley at t = 0. (Take 1nch = 2.54 cm) D 3 in. AL 5 in. B 3. A circular plate of 120-mm radius is supported by two bearings A and B as shown. The plate rotates about the rod joining A and B with a constant angular velocity of 26 rad/s. Knowing that, at the instant considered, the velocity of point is directed to the right, determine the velocity and acceleration of point E. 9 B 180 mm A D E SO min с 120 min