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q1_00m_s - ME 364 Kinematics NAME SOL U 7 571 Summer Term...

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Unformatted text preview: ME 364 - Kinematics NAME SOL U 7 / 571/ Summer Term, 2000 Quiz 1, 25 Points, Open Book 1. (6 Points) A 20 kg steel (9 =8000 kg/m3) flywheel is initially at rest. A motor with a constant output torque of 900 newton meters is used to drive the flywheel. When the motor is turned on it is observed tha the flywheel reaches a rotational speed of 5.0 radians per second in 3.00 seconds. What is the mass moment of inertia of the flywheel? 51w {rd/5 fl -« : _/ : -: /r!1 M V IX 0H" 35d 3 g‘ ,2 I: 11: WW“ _— 34/0 NM; We “7"” 0< 573 rad/j“ /’l/:’/? /% : 7min" 2. (6 Points) Determine the velocity of point A if the bar is rotating at a rate of 10 radians per second clockwise. Magnitude and direction! Q V: FLI/ 6i“ C A 3. (6 Points) Determine the velocity of B relative to point A if the bar is rotating at the rate of 600 rpm counterclockwise. Magnitude and direction! MI 3477 a - M». 605% W" VB/fi , [/3 l/ 6in A ; arm/g — : Mafia , arm—a - : (15’! —> - 377-9 i . . Vs/A : 913v : MI 4 .1 3779 = m 0’! ”75m $7” 3 IQ§77ih/;<—- 4. (7 Points) The bar is rotating at a rate of 10 radians per second clockwise and it is slowing down at the rate of is 100 radians per second per second. Determine the acceleration of point A. Magnitude and direction! .> é” J1— 4» : ru/Ll = spa/Al = (Mi/j”! ...
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