STRESS 1-Assignment 2 05/13/11 Page 1 of 2 STRESS 1-Ass

STRESS 1-Assignment 2 05/13/11 Page 1 of 2 STRESS 1-Assignment 2 Due Date: Q1 & Q2 Thursday May 26 Q3 Monday May 30 _____________________________________________________________________ This assignment will carry 10% marks towards the final result of the subject. NOTE: 1. Assignment must be in hand writing. 2. No late submission is accepted unless you request for extension in writing (along with your reason/s) and obtain the agreement of your teacher prior to due date. 3. 10% of the assignment mark will be given to the presentation of your work. 4. You are encouraged to study in pairs or in a group but any work you submit must be your own! 5. You have to submit the assignment (along with the cover sheet and the assignment sheet) to SAMME reception at level 5 Building 56 and before 4:00 pm. 1. The beam shown in Figure 1 consists of two segments which are pin connected at B. Draw the shear and bending-moment diagrams for the beam. Assume wo= kN/m and a= m. (Note: the diagrams should be drawn in scale.) Figure 1 2. Determine the force in each member of the space truss and complete the table 1. State the members are in tension or compression. Set F= i -j and F1= k kN. F1 Table 1 Member Internal force (kN) Tension/Compression DA DB DC CA CB CE COLLEGE OF SCIENCE ENGINEERING & HEALTH SCHOOL OF ENGINEERING (TAFE) Aerospace & Aviation ?o kN/m ?o kN/m
STRESS 1-Assignment 2 05/13/11 Page 2 of 2 3. For the figure below determine: a) The location ( x y ) of the centroid C of the area. b) The second moment of area Ix Iy and Ixy. c) The second moment of area Ix and Iy about the centroidal axes. d) Polar second moment of area about the centroid C of the area. e) The radius of gyration ko about the centroid C of the area. NOTE: all dimensions are in millimetre.
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