449_Dynamics 11ed Manual

449_Dynamics 11ed Manual - mm = v B AB r AB = CB v B r QB =...

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Engineering Mechanics - Dynamics Chapter 16 *Problem 16-80 The angular velocity of link AB is ω AB . Determine the velocity of the collar at C and the angular velocity of link CB in the position shown using the method of instantaneous center of zero velocity. Link CB is horizontal at this instant. Given: AB 4 rad s = r AB 500 mm = r BC 350 mm = φ 45 deg = θ 60 deg = Solution: Guesses r QB 1mm = r QC 1mm = Given r BC r QB cos () r QC sin () + = r QB sin () r QC cos () = r QC r QB Find r QC r QB , () = r QC r QB 314 256
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Unformatted text preview: mm = v B AB r AB = CB v B r QB = v C CB r QC = CB 7.81 rad s = v C 2.45 m s = Problem 16-81 At the instant shown, the truck is traveling to the right with speed v B , while the pipe is rolling counterclockwise with angular velocity without slipping at B . Determine the velocity of the pipe’s center G using the method of instantaneous center of zero velocity. 447...
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