2002 Exam 1

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Unformatted text preview: l dimensions are in cm. GNG 1100 - ENGINEERING MECHANICS Final Examination 17 December 2002 Profs. Droste, Hallett and Skaff 3. (12 marks) Block A weighs 195 N and block C weighs 120 N. The coefficient of friction between each block and the horizontal surface is ￿S = 0.3. All joints are pinned, and bars AB and BC are of negligible weight. The applied force P is vertical. (a) Write the force in BA and the force in BC as functions of P. Hint: you may take point B as a free -bod y. (b) Find the magnitude of the applied load P for which motion will impend....
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This document was uploaded on 03/20/2014.

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