View PoliciesCurrent Attempt in ProgressThe 86-lb force Pis applied to the 210-lb crate, which is stationary before the force is applied. Determine the magnitude and directionof the friction force Fexerted by the horizontal surface on the crate. The friction force is positive if to the right, negative if to the left.Assume 4, = 0.43, Hg = 0.34.PAnswer: F =iIb

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Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Considering the effects of the prestressing forces (assume no loss) and the working loads (include the selfweight of the beam). Calculate the stress indicated below. Calculate fbot at the ends. (MPa), consider sign convention (- for compression, + for tension) SELEWEILHT 300 P P 300 kN 400 de= 24 m3 900 70
1-21_Problems Q:1/ A hollow right-circular cylinder is made of cast iron and has an outside diameter of (75 mm) and an inside diameter of (60 mm). If the cylinder is loaded by an axial compressive force of (50 kN), determine the total shortening in a (600 mm) length. Also determine the normal stress under this load. Take the modulus of elasticity to be (100 GPa). Ans.(ô = 0.188 mm) , (o= 31.45 MPa) Q:2/A square steel bar is (50 mm) on a side and (250 mm) long. It is loaded by an axial tensile force of (200 kN). If(E= 200 GPa) and (µ= 0.3), determine the change of volume per unit volume. (Ans. 0.00016) Q:3/The bar shown in Fig.(1-22 ) is subjected to a tensile load of (160kN). If the stress in the middle portion is limited to (150N/mm³), determine the diameter of middle portion. Find also the length of the middle portion if the total elongation of the bar is to be (0.2mm). Young's modulus is given as equal to (2.1*10$ N/mm³). (Ans. d= 3.68em , L=20.71em) 160 KN A 6 cm DIA 160 N 6 om DIA…
momentum.pdf 9/1 The se extra examples are presented by Mohammed Dheyaa 2021© H.W.l Giuen V, = 25m/s S.g.= 0.83 Find the force requited F-マ。 plate d=somm v, = 36m/s negkcting frichion betu
Q1. Find: (a) the stress in the Steel and Aluminium rods after the loap P applied and the temprature raised 60 C" and (b) the displacement under the load P. Using the data in the Table below. Rod A (mm) a (um/m. Co) L (m) d (m) 0 (degree) E (GPa) P (kN) Steel 400 11.2 195 35 Aluminium 300 18.9 30 90 Aluminium Steel 4m t 2m
(40 H.wA Rismatic steel bar of a Square cro ss section (lookloo)mm is locoled by compressive forcc P= 1300 k, the bar has length 2.5 m, =200 G Pa, V=0.3, determine the Shortening S, the Incrense in the dimensions of cross Section, the change In Volume DV of the bar? 7. loomm loomm
Meme biloe orfT Timeneu of bozu et thede 19 5-5. The copper pipe has an outer diameter of 2.50 in, and an inner diameter of 2.30 in. If it is tightly secured to the wall and three torques are applied to it, determine the shear stress developed at points A and B. These points lie on the pipe's outer surface. Sketch the shear stress on volume elements located at A and B. sib- M00 B 450 lb ft 350 lb·ft 600 lb-ft ♡ 2 O O O
Compressive force AO is 4509 kN. Distances are; a=7.09m, b=2.11m, c=5.98m, d=3.99m, e=7.01m, f=5.00m, h=10.02m 1. Force in wire AB. Tension or compression? 2. Force in wire AC. Tension or compression? 3. Force in wire AD. Tension or compression?
Considering the effects of the prestressing forces (assume no loss) and the working loads (include the selfweight of the beam). Calculate the stress indicated below. Calculate ftop at the ends. (MPa), consider sign convention (- for compression, + for tension) Skw/m EXCLUD in6 SELFWEI6HT 300 =P P=300 kN ISM オ 400 片 de = 24 IN m3 N.A. 800 70
A line is recorded as 472.90 m. long. It is measured with a 0.65 kg. tape which is 30.005m. long at 20°C under a 50 N pull supported at both ends. During measurement, the temperature is 5°C and the tape is suspended under a 75 N pull. The line is measured on 3% grade. Modulus of elasticity of the tape is 200 GPa, cross-sectional area of the tape is 3mm? and the coefficient of linear expansion is 0.000016m/°C. a. Compute the actual length of the tape during measurement. b. Compute the total error to be corrected for the inclined distance c. What is the true horizontal distance.
0: A tripe-U shear mount used four 10 mm x 60 mm x 100 mm hard rubber blocks. Upon loading, the upper U frame deflected by 1.5 mm. The elastic modulus of rubber is 50 MPa. Determine the Poisson's ratio of the rubber used. 50 kN 60 mm 100 mm 10 mm A. Pressure between the rubber and the wall (MPa) B. Strain of side KL (mm/mm)
The concrete column is reinforced using four steelreinforcing rods, each having a diameter of 25 mm.Determine the stress in the concrete and the steel if thecolumn is subjected to an axialload of 1200 kN. Est = 200 GPa,Ec = 25 GPa.
A line is recorded as 472.90 m. long. It is measured with a 0.65 kg. tape which is 30.005 m. long at 20°C under a 50 N pull supported at both ends. During measurement, the temperature is 5°C and the tape is suspended under a 75 N pull. The line is measured on 3% grade. Modulus of elasticity of the tape is 200 GPa, cross-sectional area of the tape is 3 mm? and the coefficient of linear expansion is 0.000016 m/ºC. a. Compute the actual length of the tape during measurement. b. Compute the total error to be corrected for the inclined distance. c. What is the true horizontal distance.

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