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Name Kennath bter AE2220 Fall 2012 Quiz 6 The length of this quiz is 25 minutes. HONOR CODE FOR THIS QUIZ: This quiz is closed book, closed notes, no calculator. By signing the statement below, you are agreeing that you have not received or given any help on this exam, either by sharing or discussing the contents of the exam during the exam period or by having access to any form of written or oral aid during the exam. By signing this statement, you acknowledge that the violation of this statement constitutes academic dishonesty and will be reported to the GIT Administration for disciplinary action. I have abided by the Honor Code as delineated above: Phan nthh Butlirec (readable signature) Use pencil AND an eraser. All work should be included on the FRONT of this sheet; use the back for scratch calculations. The final answers should be boxed or circled. ee Consider a point P moving relative to two frames of reference, B and F, as shown to the left. The acceleration of the point P can be expressed as: eS Gee Ow 7a FG, +d, XP tO XG xF +20 xv. on ae oe BF nie ov ae" ove Shaft S turns in the bracket 2 at a constant 2 rad/sec in the direction shown. The wheel, 2, simultaneously rotates at a constant 3 rad/sec about its axis as indicated. A bug is crawling outward on a spoke at 0.2 in/sec with an acceleration Of 0.1 in/sec’, both relative to the spoke. At the instant shown, compute the following in the nonrotating frame: k A zh ie 4 3:68) the angular velocity of the wheel CD drad/sec ;.ob) the velocity of the bug - ie) ifthe angular acceleration of the wheel is 6j ra rad/sec*, what is the acceleration of the bug a Addibiye Fraperty f - aed 4) A We wheel ke LN 8 rads — PLM |e rad/sec y C~ (CZ see.) * oe ; Smee Ihe, bug FF erauiling outward on & bo Vp= Rt Vet t+ ces Be Feet, Wher ng felative Prreentta | ccoleatnn _ ee FSta oI on, >) EY Aug? & gata eee eee a Zor (Cor lis, Effect) 2 (ude + okt ape ek) + Gtk) (34 y+ orste3)x Gok) J a * eo =-(L2tU(s)\p-0.1k -@t +B-of) 41-25-0417) 
