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364q1 - ME 364 Kinematics NAME Sat/7 g(2/1 Spring Semester...

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Unformatted text preview: ME 364 - Kinematics NAME Sat. (/7 g (2/1/ Spring Semester, 1999 Quiz 1, 25 Points, Open Book 1. (6 Points) A 40 kg steel (p =8000 kg/m3) flywheel is initially at rest. A motor with a constant output torque of 800 newton meters is used to drive the flywheel. When the motor is turned on it is observed the the flywheel reaches a rotational speed of 5.0 radians per second in 2.00 seconds. What is the mass moment of inertia of the flywheel? Mrlx .: I: g a ,Z:f"W/“l= RM/l/mf M : Mair/3 51%;!2 O/mflf 7°2ng blind/[EL -_ m eL 4’1 .L ': 3526’ kf M] 2. (6 Points} Determine the velocity of point A if the bar is rotating at a rate of 10 radians per second ciockwise. Magnitude and direction! (P: [/srw . - , '—'—‘” 6in : farm/g : lm¢ €— 2 A 3. (6 Points) Determine the velocity of B relative to point A if the bar is rotating at the rate of O 100 rpm counterclockwise. Magnitude and direction! J’ A w“ r 4 in n .— : /(}6/,€ , .- dfl/‘u/ : -. V5”, — V63 1V6} W 37: - /€fl dog-e9: ‘ /0-§/7nt% 6in L 3,) : 4pm»; -gg/dwj—a L :7 (/flzyR/a \L éK/é/rF’P/P' i'Jflww?‘:fiwfi@&:::7 5“ 4. (7 Points) The bar is rotating at a rate of 10 radians per second counterclockwise 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! ._-., e n .7‘" 677,— fla +55% 0 tUnufi‘ 6m W/r-«J/g : Fail + r01 I M + 6 W:_,- A ' 657017,?)qu + ,édfli’dgxl ‘1“ ...
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