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E14_homework05

# E14_homework05 - verge of slipping Determine the...

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Homework V - Chapters 7 and 8 due Friday, 05/27/11, 12:50pm, 370-370 For late homework, you are responsible to arrange drop off with our grader Kaushik Mani, [email protected] Once you have used up your three late days, you will no longer receive points for your homework. Here are our office hours and emails. when when where who email Tuesdays 06:00 - 07:30pm Durand 247 Charbel [email protected] Wednesdays 02:30 - 04:00pm Durand 217 Ellen [email protected] Wednesdays 05:00 - 06:30pm Durand 393 Chris [email protected] Thursdays 10:00 - 11:30am Durand 203 Joules [email protected] Thursdays 01:00 - 02:30pm Durand 393 Estevan [email protected] For this homework, you need to be familiar with chapters 7 and 8 of your book! Remember, all solutions must include free body diagrams! Problem 1 Draw the shear and moment diagrams for the beam. 1

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Problem 2 Draw the shear and moment diagrams for the beam. Problem 3 Draw the shear and moment diagrams for the overhang beam. Problem 4 Draw the shear and moment diagrams for the beam. 2
Problem 5 The 180-lb man climbs up the ladder and stops after he senses that the ladder is on the
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Unformatted text preview: verge of slipping. Determine the coefﬁcient of friction between the friction pad at A and the ground if the inclination of the ladder is θ = 60 o and the wall at B is smooth. The center of gravity for the man is at G . Neglect the weight of the ladder. Problem 6 If the center of gravity of the stacked tables is at G , and the stack weighs 100 lb, deter-mine the smallest force P the boy must push on the stack in order to cause movement. The coefﬁcient of static friction at A and B is μ s = 0.3. The tables are locked together. Problem 7 Wear your E14 T-shirt and take a landscape format photo of yourself in a funny situa-tion. The photo must contain either a shear and moment diagram situation (chapter 7) or a friction problem (chapter 8). Upload your photo through your coursework drop box. The ﬁve most creative photos will receive ﬁve extra bonus points . 3...
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