4.3 A homogeneous circular cylinder of length h, radius r and specific gravity S, floats in water. It is noted that r= 2/3h Under which one of the following conditions will the flotation be unstable? (a) 0.11 s S< 0.22 (b) 0.22 s S < 0.33 (c) 0.33 s S < 0.66 (d) 0.66 S Ss 0.99

4.3 A homogeneous circular cylinder of length h, radius r and specific gravity S, floats in water. It is noted that r= 2/3h Under which one of the following conditions will the flotation be unstable? (a) 0.11 s S< 0.22 (b) 0.22 s S < 0.33 (c) 0.33 s S < 0.66 (d) 0.66 S Ss 0.99

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

Using the Table Below, what is the approximate value of the match line if k=100, Ec=6x10^6, J=4, and the rest is the same with the example. Concrete elastic modulus, E. (106 Ib/in²) 10 20 1200 1100 4.5 4.0 30 1000 40 900 3.0 800 50 2.2 700 60 600- 70 500 80 - 800 400 200 100 50 Effective modulus of subgrade reaction, k (Ib/in3) 20 10 90 100 Example: k = 72 Ib/in3 E = 5 x 106 Ib/in? R = 95% (ZR = -1.645) S = 650 Ib/in? J= 3.2 S, = 0.29 APSI = 4.2 - 2.5 = 1.7 W18 = 5.1 x 106 (18-kip ESAL) Solution: D = 10.0 inches (nearest half-inch, from segment 2) C4 = 1.0 10 sninpow ajajɔuon GuIvai) 's 'əunadna Load transfer coefficient, J ~ Drainage coefficient, Cí Match line
A solid shaft is partially inserted in a hollow shaft where it snuggly fits and is rigidly attached on the wall of the hollow shaft. Consider the following: Solid shaft Torque, T = 9 kN-m Properties of the hollow shaft: Length = 4 m Outer diameter = 80 mm T Inner diameter = 40 mm Shear modulus = 96 GPa SECTION VIEW Hollow shaft Properties of the solid shaft: Length = 2.5 m Shear modulus = 112 GPa Embedment Length of embedment = 0.5 m A. What is the stress (MPa) of the hollow shaft at section A? B. What is the stress (MPa) of the solid shaft at section C? C. What is the stress (MPa) of the hollow shaft at section B? D. What is the stress (MPa) of the solid shaft at section B? E. What is the angle of twist (rad) of the entire assembly?
Need answer ASAP
The thin walled cylinder diameter whose diameter is 6.24 meters and thickness of 15mm. is subjected to external pressure of 2.47MPa and internal pressure of 4.32MPA. What is the longitudinal stress applied in the walls of the cylinders? Choose the nearest answer. (A) 257 MPa (в) 450 MPа 612 MPa (D) 193 MPa (E) 120 MPa
. The biaxial stress system in an element is shown in the figure. Which of the following will give the normal stress in N/mm2 in the plane BD making an angle of 45° with the plane BA? 2 0₁ = 60 N/mm² C 0₂ = = 40 N/mm A A A 0₂ = = 40 N/mm 2 45 2 A B On 2 0₁ = 60 N/mm
A 25-mm-diameter shaft is pulled through a cylindrical bearing as shown in Figure. The lubricant that fills the 0.3-mm gap between the shaft and bearing is an oil having a kinematic viscosity of 8x10 m²/s and a specific gravity of 0.91. Determine the force P required to pull the shaft at a velocity of 3 m/s. Assume the velocity distribution in the gap is linear. Bearing Shaft 0.5 m Lubricant
Determine the state of stress acting at point D. Take P₁ = 50 kN and P2 = 10 kN. OD= B ANSWER: P₁ TD= -1.5 m 1.5 m--1.5 m- 0.5 m 40 mm 100 mm 60 mm T D E P₂ 80 mm Part A Find o D. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. ANSWER: C Q Tap image to zoom Part B Find TD- Express your answer to three significant figures and include the appropriate units.
At the proportional limit, a 45 mm wide by 9 mm thick bar elongates 2.5 mm under an axial load of 49.8 kN. The bar is 1 m long. If Poisson's ratio is 0.3 for the material, determine: (a) the modulus of elasticity. (b) the proportional limit. (c) the change in each lateral dimension. Answers: (a) The modulus of elasticity E = (b) The proportional limit OPL= i (c) The change in width= i The change in thickness= i i mm. mm. GPa. MPa
Hi, I need help with this question please. Thank you. A cantilever thin-walled cylindrical tube of inner diameter ? = 30cm and thickness ? = 1cm is subjected to a torque T and internal pressure p as shown below. The free end of the tube is closed. Strain gauges A and B mounted on the surface of the cylinder give readings ?? = 7.5 × 10^−6 and ?b = 19.7x10^−6, respectively. The bar is made of steel having Young's modulus E=200 GPa and Poisson's ration ? = 0.3. a) Determine the torque, T, and internal pressure, p. b) Determine the absolute maximum shear strain ???? at point C.
For the stress case given in the figure, approximate the principal plane (in degrees).
Problem 1: A. What is the largest mass block B can be without sliding down the plane? B PB -HA PC Given: MA = 1.5 kg, μA = 0.22, μB = 0.37, μc = 0.03, 0 = 30° (Answer: MB = 10.6 kg)
Determine stress