Assignment 3

Assignment 3 - 4 Problem 3.53 on Page 105(note that T BH =...

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ENG 035 Statics Assignment 3 Due on Oct. 24 th , 2006 1. For the L-shaped bar shown in the figure: (a) Calculate the moment of the 90-N force about point O for the condition θ = 15 ° ; (b) Determine the value of for which the moment about O is zero ; (c) Determine the value of for which the moment about O is maximum . 2. Problem 3.22 on Page 91. 3. Problem 3.48 on Page 103 ( review the example covered during the discussion session
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Unformatted text preview: ). 4. Problem 3.53 on Page 105 (note that T BH = 1125 N ). 5. Problem 3.68 on Page 116. 6. A 1.0 × 1.0 m square box is subjected to the 6 forces as shown in the figure. If P = 80 N , determine the angle such that: (a) The box will not rotate; (b) A resulting couple of 20 N-m exists in the clockwise direction....
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