Alpha Geek
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Determine the angular acceleration α of the dumbbell of Prob. 7/14 for the conditions stated, except that Ω is increasing at the rate of 3 rad/s2 for the instant under consideration
Prob.14
In manipulating the dumbbell, the jaws of the robotic device have an angular velocity ωP = 2 red/s about the axis OG with y fixed at 60° The entire assembly rotates about the vertical Z-axis at the constant rate Ω = 0.8 red/s Determine the angular velocity ω and angular acceleration α of the dumbbell. Express the results in terms of the given orientation of axes x-y-z, where the y-axis is parallel to the Y-axis.
