3. A bag of potatoes is sitting on the chair as shown. The force exerted by the potatoes on the frame at one side of the chair is equivalent to horizontal and vertical forces of 24 N and 84 N, respectively, at E and a force of 28 N perpendicular to member BH at G. Find the forces acting on member BH.

3. A bag of potatoes is sitting on the chair as shown. The force exerted by the potatoes on the frame at one side of the chair is equivalent to horizontal and vertical forces of 24 N and 84 N, respectively, at E and a force of 28 N perpendicular to member BH at G. Find the forces acting on member BH.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

bläi 4 The resultant of the force system shown is F2 = 500N F1 = 300N 30° 45° 600 F3 = 400N
4. A planar truss that is supported by a rolling pin support at point I and a fixed pin support at point A is shown in the accompanying figure. Two point loads are applied on the truss at points D and F, as indicated in the figure. Assume that all members of the truss are massless. n₂ 400m 40 FARN an AKN m 300 300 (a) Draw a free body diagram of the entire truss. (b) Using equilibrium conditions, calculate the reaction forces at points A and I. (c) Draw a free body diagram of point H; calculate the axial forces acting on member HH. (d) Determine the axial forces in members DF, DG, and EG.
The lower ends of the three steel bars in Figure are at the same level before the applied concentrated force 15 kN. Determine the force in the steel bars if the temperature is increased by 40°C. Neglect the weight of bar ACE. Bars AB,CD and EF each have a cross-sectional area of 25 mm 2 -7 and a =11.7 *1o'm/ m-°C. 15 KN 0.2 m 0.2 m 0.4 m
Q2: The 300 N force as shown in figure acts on the point O. Resolve this force into two components one along AO and the other through point C? Calculate R 300 N 3 4 the force F1 on OA ? -) the force F2 on OC ? -Y
5. A rigid bar AB, 9 m long is suspended by two vertical rods at its end A and B and hangs in a horizontal position by its own weight. The rod at A is brass, length 3m, cross-sectional area is 1000 mm? and E̟ =1×10°N/ mm? . The rod at B is steel, length 5 m , cross-sectional area is 445 mm?. At what distance 'd' from A may a vertical load P=300ON be applied if the bar is to remain horizontal even after the load is applied? ve stred Steel 5m Brass 3m P = 3000N B 9m
25 mm An eccentric force P is applied as shown to a steel bar of 25 x 90-mm cross section. The strains at A and B have been 30 mm measured and found to be A 84 = +350 u 8z = -70 u 90 mm B 45 mm Knowing that E = 200 GPa, determine (a) the distance d, (b) the magnitude of the force P. 15 mm
üz a aplanmadı ) üzerinden etlenmiş y ioruyu etle Н V The internal shear force V at a certain section of a beam is 60 kN.m. If the beam has a cross-section shown in the figure where h=243 mm, a=112 mm, b=182 mm, c=10,8 mm and t=14,7 mm, Determine the first moment of area (Q) for the point H (mm) where L=48,2 mm.
The 80-lb boy stands on the beam and pulls on the cord with a force large enough to just cause him to slip. If the coefficient of static friction between his shoes and the beam is (u)p = 0.4, which of the following the %3D D reactions at A and B. The beam is uniform and has a weight of 100 lb. Neglect the size of the pulleys and the thickness of the beam. a) Ay = 467.1 lb,B, = = 467.1 lb, Bx = 370 lb, B, = 221.5 lb %3D b) Ay = 479.3 lb, Bx = 381 lb, B, = 251.2 lb c) Ay = 4347 lb, B = 354 lb, B, = 237.8 lb 5 f - -3 ft- -4 ft- %3D %3D d) A, = 451.1 lb, B, = 372 lb, B, = 281.7 lb %3D e) Ay = 473.1 lb, Bx = 358 lb, By = 271.6 lb
2. The weight of the box is W = 90 N and the coefficient of static friction between the box and the floor is u-0.65. Neglect the weights of the bars. What is the largest value of the force F that will not cause the box to slip? L10 cm 10 cm 20 cm- 20 cm
Q2/ Determine the resultant moment of the force about point D F=400N 100 N D 30 A B 45 0.3 m 100 N 0.4 m tazm t
A flat steel plate is of trapezoidal form and uniform thickness of 10mm. The plate tapers uniformly from a width of 150mm to 100 mm over a length of 500mm. Determine the elongation of the plate under an axial pull of 100 KN. Take E= 200 KN/mm² B₁ 100 KN I -x-8x 100 mm 500 mm- 150 mm B₂ 100KN
EXAMPLE 4.7 Two cylindrical rods, one of steel and the other of brass, are joined at Cand restrained by rigid supports at A and E. For the loading shown and knowing that E.= 200 GPa and E.= 105 GPa, determine (a) the reactions at A and E, (b) the deflection of point C. Dimensions in mm 100 100 -180 -15 Dl Вгass 40 kN E Steel B. 60 kN 40-mm diam. 30-mm diam.