Statics Exam 1 (4)

Statics Exam 1 (4) - (25%) The 75 kg Traffic light is...

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Statics and Elementary Strength of Materials Exam I Student Name: ___________________________________ Student ID #: ___________________________________ Grade Problem 1 25% Problem 2 25% Problem 3 25% Problem 4 25% Total 100% INSTRUCTIONS: 1. Print your name and ID # in the place provided 2. Print your name on each page of this exam 3. Free-Body Diagrams (FBD) are required on Equilibrium problems 4. Do not remove the staples 5. Write your solution on the pages provided for each problem 6. Show all your work, box your answers, and give units 7. When time is called, please stop at once and turn in your exam
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1. (25%) Two Cables AC and BC are connected on the ring at C. For the loads shown, determine the forces in Cables AC and BC for equilibrium of this system. Use θ = 30 degrees. FBD of C C 75 N 60 N A B θ 30 ° 60 °
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2.
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Unformatted text preview: (25%) The 75 kg Traffic light is suspended by the system of cables shown. Determine the forces in each cable for equilibrium. ( Given F B = 329 N ) FBD of D z 4 m x y 8 m 5 m 8 m 5 m 6 m D C B A 3. (25%) The cable of the tower crane is subjected to a force F, directed as shown, with a magnitude of 500 N. Determine: (a) The moment of the force F about point A; and (b) The moment of the force F about the x-axis B A x y z F = 500 N 24 m 15 m 10 m C 3m 2m 4. (25%) The wooden frame below id subjected to the force and couple systems shown. (a) Replace this system by an equivalent resultant force and moment acting at point O. (b) Replace the system found in (a) by a single resultant force and give its location along horizontal x-axis O 35 45 kN 50 kN 20 kN 20 kN 1.5 m 4 m 4 m 1.5 m x 15 kN...
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Statics Exam 1 (4) - (25%) The 75 kg Traffic light is...

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