Test 3 Spring 2004-with answers

Test 3 Spring 2004-with answers - AEM 264-002 Test#3...

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AEM 264-002 Test#3 4/15/04 Instructions: One 8½ inch by 11 inch sheet of handwritten formulas allowed. Otherwise, this is a closed book, closed notes test. 60 minute time limit – strictly enforced. Show all of your work . The three problems are not equally weighted in the grade. 1. A car “hydroplanes” off the road and strikes a tree. Neglecting the frictional forces of the tires, the only force acting on the car is F as shown. Subsequent analysis of the scene indicates that the car experienced an angular acceleration of 3.6 rad/sec 2 after striking the tree. The car body weighs 1600 lb and can be assumed to be a uniform rectangular shape with its center of mass located at G body . The engine weighs 500 lb, can be approximated as a 2 ft wide by 4 ft long rectangular shape, and has its center of mass located at G engine . Determine the mass moment of inertia of the car about the center of mass G car . Estimate the magnitude of the force F.
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Test 3 Spring 2004-with answers - AEM 264-002 Test#3...

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