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Introductory Physics Homework Help
Dynamics Question, Planar rigid body/ Relative velocities
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[QUOTE="CaityAnn, post: 1407356, member: 62892"] [url]http://wps.prenhall.com/wps/media/objects/3076/3149958/studypak/questions/html/Ch16/9e_16_43.html[/url] That is the image of the problem, which includes a solution. PROBLEM- Besides being really confused on their work, the solution they give and the solution in the back of my book are both different! They said Wcd is 15.1 rad/s and my book says 4.03 rad/s, they have the same dimensions and everything. heres what I am doing, despire the crazy solution given.. I am just trying to get some sort of method and understanding of this stuff, I am taking this course in 5 weeks so its sort of a rush to get it all in.. I want to find Angular velocity of link CD at the instant shown Vc=Vd+Vc/d ; Vc=Vd+(Wcd x Rcd) Vd won't be moving so it goes to zero So [COLOR="cyan"]Vc=(WcdxRcd)[/COLOR] ((((So I must need to solve for Vc to get Wcd)))) Va= Vb+ Va/b; Va= Vb + (Wab x Rab), Va won't be moving so it goes to zero [COLOR="Cyan"]Vb= (Wabx Rab), [/COLOR]I can solve for this because I am given Wab and Rab, Vb=18 in/s Vc=Vb+Vc/d; Vc=Vb+(WcdxRcd) [COLOR="cyan"]Vc= 8 + (WcdxRcd)[/COLOR] So I just need to find Vc somehow.. On the solution given they do some insane trig that I just don't get, your input is much appreciated so thanks ahead.. [/QUOTE]
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Introductory Physics Homework Help
Dynamics Question, Planar rigid body/ Relative velocities
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