Question 9 7 pts Disregard the friction and the normal force. If the value of Q = 311 N, what is the magnitude of the moment in N-m at B due to forces P, Q, R. and S? Disregard positive or negative signs. D A R=800N S=1000N 1.8 m a B C P=100N 2.1 m 3.1 m AB = 2.4m BC= 5.0m Interior angle at D is 70 degrees AB and DC are parallel

350 mm 25 mm 40 mm Q11. Two cylindrical rods, one of steel and the other of brass, are joined at C and restrained by rigid supports at A and E. For the loading shown and knowing that E, = 200 GPa and E, = 105 GPa, determine а. the reactions at A and E. b. the deflection of point C. Dimensions in mm 180- 100 -120-- 100 Cl DI E Steel B Brass 60 kN 40 kN 40-mm diam. 30-mm diam. pla 6 k Q12. In a standard tensile test of a steel rod of 22-mm diameter is subjected to a tension force of 75 kN. Knowing that v = 0.3 and E = 200 GPa, determine the elongation of the rod in a 200-mm gage length. b. the change in diameter of the rod. dec mm mod a. mate

The beam shown n the umage below ies on the ground e supporss the load Shown. Assuming the upward reaction of the ground is uniformy di sterbed,then: •wnat are the equations for the shear & bending-moment Curves. • what is the maxmum absolute value of the bending moment. CLx-x") wo wこ 3

Q2/ The t-component of the force F is known to be 97 N. Determine the n-component and the magnitude of F. F 10° 30