chap_II_hwk_sp_2011

And de b determine the angular acceleration of links

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Unformatted text preview: and DE. and DE. b) determine the angular acceleration of links AE and DE. • determine the angular acceleration of links AE and DE. E !BD b B D a A c d Use the following parameters in your analysis: a = 5f t, b = 3f t, c = 4f t, d = 5f t and ωBD = 6rad/sec. II-34 Chapter II: Planar Rigid Body Kinematics Homework Planar Kinematics Homework Problems ME 274 Problem II.29 Problem II-29 Given: A mechanism shown is made up of links OA and AB with a slider pinned to link AB at Given: A mechanism shown is made up of links OA and AB with a slider pinned to B. The slider is constrained to move within a fixed slot at a constant speed of vB in the direction link AB at is oriented at constrained to move within a fixed the at a shown. The slotB. The slider isan angle θ from the horizontal. At slot instant shown, link OA is constant speed of vB = 2 vertical and AB is horizontal. 0 ft/sec in the direction shown. The slot is oriented at a 36.87° angle from the horizontal. At the instant shown, link OA is vertical a For this horizontal. Find: nd AB is position: Find: • For the instant shown, velocity of links OA and AB. determine the angular d) determine the angular velocity of links OA and AB. e) determine the angular acceleration of links OA and AB. • determine the angular acceleration of links OA and AB. A B L ! vB r O Use the following parameters in your analysis: r = 2f t, L = 3f t, θ = 36.87◦ and vB = 20f t/sec....
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