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Unformatted text preview: Summer Term, 2007 ,- Quiz 4b, 25 Points, Open Book 1 . (10 Points) Determine the degrees of freedom in the following kinematic chains (show your work to receive credit!) DF. $-I)- ;2(y~~)-r - 0 = / & - I d - / = JJ-/U -I = I I (c) , DF= 3(+/) - J ( I + /) - /o)-l(l) s y - 9-3-1 = 1 2. (15 Points) Estimate the rotation rate of link 4 (magnitude and direction) for both of the mechanisms shown. The input, link 2, rotates counterclockwise at 800 rpm. Show your work....
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This document was uploaded on 07/19/2011.
- Fall '09