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E82120, Dynamics, Spring 2010,
Quiz $5 March 23, 2010,
Worth 10 pts Given: Link AB rotates with a clockwise angular velocity 03A}; of 10 rad/s
’ Length of link AB is 0.566 m Length oflink BC is 0.894 m , was
, 45” LOAmM‘TW 0.8 m ‘ +1 a) What is the magnitude of velocity at point B? What is the direction of the velocity of point B
(i.e. what is angle 9)? 0 0
*3 ‘3 375+ Wig/A = X.» WWWVA = let34 (New) 2. 5.9a, “A *1 8? lePecmom a x 450 Y
i a ; “WW.
0 d K , ,. M/
012 \T‘s: O 0 ate 1:: 4:..4: ‘1 \I',):: 4"+4" 3’ 5.199 b
o. 0.4 0 
+ ' szn'(:~):45° Y:
b) Set up the expression(s) to find the velocity at point C, Vc You do not need to solve for Vc.
\r‘ '3: a a "‘“"“‘ “““nh
“" 3 e We “ We 0 5:1: Wordstmjjjﬁo + ”Memes “It?"
We. 4* wactoxqasmam
w_ —«—«W—~~ . "/1
g .4. 2 “2/3
L 3 K
A
012. \Y‘a. ; c; C w“ 7:. 0.4 06'6“. + 055 w’écd
O ". 0
Extra Credit: Solve f r VC.
,(5 $08 or“ r; 5 take/s mm b; \Y‘cz .4 + 5(035C1‘ig} :5 6 "1/5 W wmmw...
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 Spring '10
 Kobbe
 Dynamics

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