EX23.2 Loader - ABC can be modeled as a single rigid body...

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2. Starting from rest with its CG 2 meters above the ground, the hydraulic cylinder pushes the arm ABC to the current position. At this position, the angular velocity of the arm is 1.4 rad/sec (CCW) and its angular acceleration is 0.6 rad/s2. How much work did the hydraulic cylinder exert on the arm?
What equation, and what terms are zero?
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