hw6_sol

# hw6_sol - 740 Solutions Manual Problem 6.58 Collars A and B...

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740 Solutions Manual Problem 6.58 Collars A and B are constrained to slide along the guides shown and are connected by a bar with length L D 0:75 m. Letting ± D 45 ı , determine the angular velocity of the bar AB at the instant shown if, at this instant, v B D 2:7 m = s. Solution

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746 Solutions Manual Problem 6.66 At the instant shown, the arm OC rotates counterclockwise with an angular velocity of 35 rpm about the Fxed sun gear S of radius R S D 3:5 in : The planet gear P with radius R P D 1:2 in : rolls without slip over both the Fxed sun gear and the outer ring gear. ±inally, notice that the ring gear is not Fxed and it rolls without slip over the sun gear. Determine the angular velocity of the ring gear and the velocity of the center of the ring gear at the instant shown. Solution

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Dynamics 727 Solution to 6.47 We are told that the wheel spins counterclockwise at 10 rad = s, so we have E ! B D 10 O k rad = s : Because the wheel is turning counterclockwise, the slider is moving up, so E v A D v A O |: Since the wheel must be moving to the left, so we have E v B D ± v B O {: Assuming positive direction for the rotation of the bar gives us E ! AB D ! AB O k: Also, the position vector from A to B is E r B=A D L. cos ± O { ± sin ± O |/; and from Q to B is E r B=Q D R O |: From rigid

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hw6_sol - 740 Solutions Manual Problem 6.58 Collars A and B...

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