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Q1_05M_s - ME 364 Kinematics NAME jail/V 72 04 Summer Term...

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Unformatted text preview: ME 364 - Kinematics NAME jail/V 72 04/ Summer Term, 2005 Quiz 1, 25 Points, Open Book W / 1. (6 Points) A 20 kg steel (p =8000 kg/m3) flywheel is rotating at 12 radians per second. A brake with a constant braking tor ue e n meters is used to stop the flywheel. It is observed that the flywheel stops in I , flewnds ~W atisthe mass moment of inertia'of the'flywheel'?‘ ' ’ r “ " ' AT N (X: Aa/J‘/.2nt%’*& 5 QMX/f.) ‘ D7 ’ 3 rev. F5 7’! — I /"l é‘flflA/m ffl/l/ 5: 5’W' V ’95:? I? ”—6- : _./I I: ' I m . ,, 422/57th 2. (6 Points) Determine the velocity of point A if the square plate is rotating at a rate of 20 radians per second cloc wise. Magnitude and direction! 3. (6 Points) Determine the velocity of B relative to point A if the plate is rotating at the rate of 120 rpm counterclockwise. Magnitude and direction! r‘: 35:36 a V — s , Q3 *1/46’3/V g VR/fl: A5 (1/ : 50MA0J57) 5 6&5'M%¢ 4. (7 Points) The square body is rotating about its center as shown. The body is rotating at a rate of 20 radians per second counterclockwise and it is slowing down at the rate of is 400 radians per second per second. Determine the acceleration of point B. Magnitude and direction! rah/(4U: yffé” /gym 0’11?” 7" 61"; «Mai: 9073537): fifi/fi/y/ \fi ...
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