*7-4. The beam-column is fixed to the floor and supports the load shown. Determine the normal force, shear force, and moment at points A and B. 5 kN 0.8 kN m 2.5 kN 0.6 m 0.4 m A 0.2 m 2 m B Prob. 7-4
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- Force Tyler and his cousin Kelly have attached a rope to the branch of a tree and tied a board to the other end to form a swing. Tyler sits on the board while his cousin pushes him through an angle of 25.5 and holds him there. If Tyler weighs 95.5 pounds, find the magnitude of the force Kelly must push with horizontally to keep Tyler in static equilibrium. See Figure 1. Figure 1Force Tyler and his cousin Kelly have attached a rope to the branch of a tree and tied a board to the other end to form a swing. Tyler sits on the board while his cousin pushes him through an angle of 25.5 and holds him there. If Tyler weighs 95.5 pounds, find the magnitude of the force Kelly must push with horizontally to keep Tyler in static equilibrium. See Figure 13.*7-28. Determine the normal force, shear force, and moment at points C and D. A C 2 ft 6 ft 45% 3 ft + Prob. 7-28 D 3 ft 2 kip/ft B
- 7-11. Determine the normal force, shear force, and moment acting at point C. 8 kN A 18 kN·m 1.25 m 5 kN/m C B 0.75 m 0.5 m Prob. 7-11- Determine the magnitude of the resultant force acting on the gusset plate of the bridge truss. 7-200 N F-400 N Fy-300 NQ 39/ Refer to Fig. 39. The angle of static friction between the block with mass M and the plane is d. For the angles shown in the figure, what is the expression for the force P to move the block up the plane? Fig. 39
- Round off to 3 significant figures, and the tolerance is ±1 in the 3rd significant digit. Thank you.4. Your upper arm exerts 60N and lower arm exerts 40N anteriorly and superiorly. When your upper and lower arms are bent at 90°, describe the magnitude and direction of the resultant force exerted on your arm. nff a long jumper has a forward (horizontal) velocity of 15m/sec and a vertical ntall and the magnitude of the8
- 1. Determine the magnitude of the resultant of the two forces shown and its direction measured from the positive x-axis. 2.5 kN X 4 kN(4) A vertical 480 N force is applied as shown on the three-bar frame that is supported at pin A and roller B. Determine the magnitudes of the connection forces at pin C and pin E. Ans: C 824 N, E = 561 N 160 mm B 480 N 60 mm D 80 mm E -150 mm- 60 mm 100 mmTwo uniform spheres are positioned as shown. Determine the gravitational force F which the titanium sphere exerts on the copper sphere. The value of R is 30 mm. Assume a = 3.9, b = 2.1, 0=26°. Copper bR | aR R Titanium Part 1 Correct Calculate the mass of each sphere. Assume a = 3.9, b 2.1, 0=26. y Сopper bR aR R Titanium Answers: Titanium sphere mt = 0.5089 kg Copper sphere m. = 9.3637 kg