Problem 4.69 The caster wheel is subjected to the two couples. (Figure 1) Figure 1 of 1 45 mm 500 N 1 40 mm 100 mm Part A Determine the forces F that the bearings create on the shaft so that the resultant couple moment on the caster is zero. Express your answer to three significant figures and include the appropriate units. F= Submit μA Value Units My Answers Give Up ? Provide Feedback Continue

Problem 4.69 The caster wheel is subjected to the two couples. (Figure 1) Figure 1 of 1 45 mm 500 N 1 40 mm 100 mm Part A Determine the forces F that the bearings create on the shaft so that the resultant couple moment on the caster is zero. Express your answer to three significant figures and include the appropriate units. F= Submit μA Value Units My Answers Give Up ? Provide Feedback Continue

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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Problem 4.135 Replace the force system by a wrench. Suppose that F₁ = 300 N and F2 200 N. (Figure 1) Figure 1 ▼ of 1 F₁ x 2 m Z 0. 400 N 3 m 0.5 m F₂ Part A Determine the magnitude of the force of the wrench. Express your answer to three significant figures and include the appropriate units. F = Submit Part B M = Submit Part C I, z = μA Value Determine the couple moment of the wrench. Express your answer to three significant figures and include the appropriate units. Enter positive value if the sense of direction of the couple moment is the same as that of the resultant force and negative value if the sense of direction of the couple moment is opposite to that of the resultant force. Submit Ii Units My Answers Give Up μA Value Units My Answers Give Up Determine the point where the wrench intersects the x-z plane. Enter the x and z coordinates of the point separated by a comma using three significant figures. 15. ΑΣΦ 41 P vec My Answers Give Up ? 1 ? ? m Provide Feedback Continue
Questions QI. Calculate the bending stresses at top and bottom fibers of a simply supported beam and loaded as shown in figure below. The cross section of the beam is an I-section as shown. 250 38 2 kN X kN 300 25 5 kN/m 38 D. 1.5 m 150 2.2 m 2 m All dimensions are in mm Take X= Last digit of your student id and if the last digit is zero, then take X 2.5 kN.
Question 2 A square threaded power screw with double thread shown in Figure 2 is used to raise a load, W. The screw has a major diameter, d, and a pitch, p. The thrust collar has a mean diameter, dc. The screw has a starting friction coefficient, f, whereas the collar has a starting friction coefficient, fc. Estimate the starting torque, T, for raising the load. Figure 2 Variable Value Unit 4,000 d 25 mm 5 mm de 48 mm 0.14 fc 0.12
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Problem 4.91 The couple moment acting on the pipe has a magnitude of 300 Nm . (Figure 1) Figure 1 -F A ▼ of 1 -150 mm. 150 mm. B 200 mm 600 mm > Part A Determine the magnitude F of the forces applied to the wrenches. Express your answer to three significant figures and include the appropriate units. F = 153 Submit μÃ N My Answers Give Up ? Incorrect; Try Again; 3 attempts remaining
SITUATION. The figure shows a pellet about to be fired from a sling. The total unstretched length of the rubber is 60 mm. The rubber elongates 1 mm for every 15 N force. Length a=100 mm, b=40 mm. a
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Figure 1 ✓of 1 L45° D 60° 4 m A If load C has a mass of 380kg, determine the required minimum diameter of the solid L2-steel rod AB to the nearest mm so that it will not buckle. Use F. S.= 1.94 against buckling. (Figure 1) Express your answer with the appropriate units. d = Li μA Value Submit Units My Answers Give Up ? Provide Feedback Continue
The 62-mm-diameter steel shaft is subjected to the torques shown. (Figure 1) Figure 1 of 1 400 mm B 3 kN.m 600 mm 2 kN-m I GILM Determine the angle of twist of end A with respect to C. Take G=75 GPa. Express your answer to three significant figures and include the appropriate units. A/C= Submit μA Value Units My Answers Give Up ?
Figure 2 m -2 m- -3 m- www 1 of 1 B The spring DB has an unstretched length of 2 m. (Figure 1) ▼ Part A Determine the stiffness of the spring to hold the 90-kg crate in the position shown. Express your answer to three significant figures and include the appropriate units. k = 198 Submit uA kg Previous Answers Request Answer ? X Incorrect; Try Again; 3 attempts remaining