chap_II_hwk_sp_2011

13 given link oa of the mechanism shown rotates with

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Unformatted text preview: OA of the mechanism shown rotates with an angular speed of ω0 . At the position shown, link BC is vertical, and the coordinates of pin A are given by (xA , yA ). omework ProblemsFind: (5/88) ME of For this position, determine the angular velocities 274 links AB and BC. Write your answers as vectors. mechanism shown rotates with an f ! 0 . At the position shown, link BC the coordinates of pin A are given by is position, determine the angular ks AB and BC. Write your answers as Use the following parameters in your analysis: ω0 = 10rad/sec and (xA , yA ) = (−60, 80) mm. d / sec and ( x A , yB ) = ( !60, 80 ) mm in your analysis. Chapter II: Planar Rigid Body Kinematics Homework II-21 Problem II.16 Given: The orientation angle θ for the circular disk of radius R is given by: θ (t) = π sinπt (with 3 θ in radians and t in seconds). Find: Determine the velocity and acceleration vectors for point A on the outer edge of the disk for: • t=0 • t = 1/3seconds mework Problems ME 274 Make sketches of these vectors for the above two instants in time. n...
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This document was uploaded on 01/20/2014.

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