9 in. D 8 in. 12 in. W = 720 lb
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Write all the coordinates. Report if you copy chegg's answer. The answer in chegg is wrong because C and D should have a coordinate, they're not on 0 coordinate.
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- The simplest truss consists of two rods and is loaded by the block. Given: block weight Q = 9,4 kN. Angle α = 31 degrees. Find: the algebraic (positive or negative) value (in kN) of normal force N1 in the rod 1, considering that N1>0 for tension and N1<0 for compression.The simplest truss consists of two rods and is loaded by the force F. Given: F = 5,1 kN. Angle α = 69 degrees. Find: the algebraic (positive or negative) value (in kN) of normal force N1 in the rod 1, considering that N1>0 for tension and N1<0 for compression.Consider the truss shown in the figure. Suppose that F1 = 55 kN and F2 = 30 kN . Determine the force in member ED of the truss, and state if the member is in tension or compression and the force in member EH of the truss, and state if the member is in tension or compression. Determine the force in member GH of the truss, and state if the member is in tension or compression.
- Consider the force P applied at point A on the plate of the figure shown (image 1). Assuming that the weight of the plate is negligible, and that the horizontal force F, as well as the reactions Dy and Dx in the joint D balance the plate shown in the figure, choose the alternatives that are true. Note: the x-axis is horizontal and the y-axis is vertical and both have their origin at point D. Data: P = 332N If the plate had a weight of 332N (applied vertically downwards in the center of the plate), the reaction Dy on the plate should be vertical downwards so that the plate still remained in balance in that position. True or false?The cylinders in the figure shown are piled in a rectangular ditch as shown. The radii of cylinders A,B and C are 4m , 6m, and 5m respectively. Neglecting the friction. Determine the reaction between the wall and B in kN.Statics, Find the force in member BC, BE, and EF of the truss and state if the members are in Tension or Compression, given :P1 = 95 kN, P2=75 kN, P3=85 kN, L1=3 m, L2=5 m(Use positive values to indicate Tension and negative values to indicate Compression)
- Consider the force P applied at point A on the plate of the figure shown (image 1). Assuming that the weight of the plate is negligible, and that the horizontal force F, as well as the reactions Dy and Dx in the joint D balance the plate shown in the figure. Note: the x-axis is horizontal and the y-axis is vertical and both have their origin at point D. Data: P = 332N Which option is right? a) if the plate had a weight of 332N (applied vertically downwards in the center of the plate), the reaction Dy on the plate should be vertical downwards so that the plate still remained in balance in that position or b) if the plate had a weight of 332N (applied vertically downwards in the center of the plate), the reaction Dy on the plate should be vertical downwards so that the plate still remained in balance in that positionIn the figure, the radius of cylinder A is 4m, cylinder B is 6m and cylinder C is 5m. Neglecting friction, a) solve For the reaction between A and B, b) reaction between the wall and B c) reaction between the Floor and A. Given: Distance between 15 KN and 40 KN load is 8m.Ancient pyramid builders are balancinga uniform rectangular stoneslab of weight w, tipped at anangle u above the horizontal, usinga rope (Fig.). The rope isheld by five workers who share theforce equally. (a) If u = 20.0°, whatforce does each worker exert on therope? (b) As u increases, does eachworker have to exert more or lessforce than in part (a), assuming theydo not change the angle of the rope? Why? (c) At what angle do theworkers need to exert no force to balance the slab? What happens if uexceeds this value?
- Consider the force P applied at point A on the plate of the figure shown (image 1). Assuming that the weight of the plate is negligible, and that the horizontal force F, as well as the reactions Dy and Dx in the joint D balance the plate shown in the figure. Note: the x-axis is horizontal and the y-axis is vertical and both have their origin at point D. Data: P = 332N The next affirmative is true or false? If the plate had a weight of 332N (applied vertically downwards in the center of the plate), the module of F should be greater than 369.18N, so that it would still remain balanced in that position.A horizontal board weighing Wb = 600 N is hinged to a vertical wall. A personweighing Wp = 400 N stands at the end of the board 5 m from the wall. A rope is attached to theboard at a point 3 m from the wall and makes an angle of θ = 40° with theboard. Determine the tension (T) in the ropeA uniform ladder stands on a rough floor and rests against a frictionless wall as shown in the figure. Since the floor is rough, it exerts both a normal force N1 and a frictional force f1 on the ladder. However, since the wall is frictionless, it exerts only a normal force N2 on the ladder. The ladder has a length of L = 4.0 m, a weight of WL = 69.0 N, and rests against the wall a distance d = 3.75 m above the floor. If a person with a mass of m = 90 kg is standing on the ladder, determine the following. (a) the forces exerted on the ladder when the person is halfway up the ladder (Enter the magnitude only.) N1 = N N2 = N f1 = N (b) the forces exerted on the ladder when the person is three-fourths of the way up the ladder (Enter the magnitude only.) N1 = N N2 = N f1 = N