HW20-S07

HW20-S07 - is 2.0 inch. The length of the connecting rod...

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AEM 264-003/901 Homework #20 4/25/07 Due: Friday, 4/27/07 The six-step solution method, correct units and a reasonable number of significant digits (generally 3 or 4) are required for every problem solved in every homework assignment in this section of AEM 264. 1. A uniform bar of weight W=mg and length L is held motionless by the pin at A and the string at B. What is the pin reaction force at A immediately after the string is cut? Length = L A B 2. The crankshaft for the system shown is rotating at ω crank =150 rad/sec CCW at the position shown. The crank has a mass-moment of inertia of 0.10 lb-ft-s 2 , the weight of the uniform connecting rod is 1.5 lb, and the mass of the piston is 1.0 lb. The length of the crank offset from A to B
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Unformatted text preview: is 2.0 inch. The length of the connecting rod from B to C is 4.0 inches. Find the kinetic energy of each component and the total kinetic energy for the system at this position. Note that the drawing is NOT TO SCALE! 3. The outer pulley below is made of a uniform material, has a weight of 120 lb, and an outer radius of 2 feet. The block A weighs 60 pounds, and a constant tension of P=100 lb is applied to an inner pulley attached to the outer pulley. Determine the angular acceleration of the pulley and the tension in the cable attached to block A. P = 100 lb A 1.0 ft 0.5 ft o 60...
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