A truck and trailer combination haswheel loads of 6 kN. 9 kN. and 12 kN,separated at distances 3m and 3m,respectively. The truck crosses a bridgehaving a simple span 12 m.11. What would be the maximummoment under 6 kN?a. 75.52 kN.mC. 77.94 kN. mb. 39.06 kN. md. 49.21 kN.m12. What would be the maximummoment under 9 kN?b. 39.06 kN. md. 49.21 kN.ma. 75.52 kN.mc. 77.94 kN. m13. What would be the maximummoment under 12 kN?b. 39.06 kN. md. 49.21 kN.ma. 75.52 kN.mC. 77.94 kN. m14. What would be the maximum shearon the beam due to moving loads?a. 21.75 kNc. 20.25 kNb. 28.90 kNd. 25.80 kNPROBLEM 15:Determine the diameter of the solidsteel shaft in a rolling mill if it transmits20 KW at 2 Hz and the shearing stressin not to exceed 45 MPa.

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Answered: A truck and trailer combination has…

A truck and trailer combination has wheel loads of 6 kN, 9 kN. and 12 kN, separated at distances 3m and 3m, respectively. The truck crosses a bridge having a simple span 12 m.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Free Body Diagram

The system of forces acting on a body tends to either rotate it or make the body undergo motion. In general, when an external agent exerts a force on a body, the body undergoes translational motion and rotational motion. The body has six degrees of freedom under the influence of that force. Here, three degrees of freedom are from the translational motion while the other three are from the rotation motion. However, sometimes the bodies are not allowed to undergo any motion and are fixed, under such conditions the body is said to be constrained.

Question

A truck and trailer combination has
wheel loads of 6 kN. 9 kN. and 12 kN,
separated at distances 3m and 3m,
respectively. The truck crosses a bridge
having a simple span 12 m.
11. What would be the maximum
moment under 6 kN?
a. 75.52 kN.m
C. 77.94 kN. m
b. 39.06 kN. m
d. 49.21 kN.m
12. What would be the maximum
moment under 9 kN?
b. 39.06 kN. m
d. 49.21 kN.m
a. 75.52 kN.m
c. 77.94 kN. m
13. What would be the maximum
moment under 12 kN?
b. 39.06 kN. m
d. 49.21 kN.m
a. 75.52 kN.m
C. 77.94 kN. m
14. What would be the maximum shear
on the beam due to moving loads?
a. 21.75 kN
c. 20.25 kN
b. 28.90 kN
d. 25.80 kN
PROBLEM 15:
Determine the diameter of the solid
steel shaft in a rolling mill if it transmits
20 KW at 2 Hz and the shearing stress
in not to exceed 45 MPa.

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