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EG1109 Quiz 1 2006 Term 2

# EG1109 Quiz 1 2006 Term 2 - Assume all the bars and wires...

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EG1109 Statics and Mechanics of Materials Quiz 1 Student’s Name Time: 1 hour Date: 10 Feb 2007 Tutorial Group Grade: U / S / E Question 1 Two straight bars DEF and AEB are pin-connected at E and are pin-supported to the wall at D and A , respectively, as shown in Figure Q1. A short bar BC is welded rigidly to bar AEB at B. The assembly is loaded by a horizontal load of 200 N and supports a mass of 50 kg using wires as shown in the figure. Determine the support reaction forces at A and D.

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Unformatted text preview: Assume all the bars and wires to be weightless and take g = 10 m/s 2 . (10 marks) Figure Q1 B A C 45 o 30 o 50 kg D E F 200 N 0.5 m 0.5 m 0.4 m 2.0 m 30 o weld Question 2 Find the forces in members FH , EF , DE and CD of the truss shown in Figure Q2. (10 marks) Figure Q2 A 30 kN 30 kN 6 m 4 m 4 m 4 m 4 m B C D E F G H J K...
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EG1109 Quiz 1 2006 Term 2 - Assume all the bars and wires...

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