50 N 7. 2m y 70 N 12.0m Fig.(2) 3,m 260 N 4,0m 2 3.0m -3 m a) Determine the resultant of the three force system shown in Fig.(2). b) Determine the moment of the force system shown in Fig.(2) with respect to the a-axis.

50 N 7. 2m y 70 N 12.0m Fig.(2) 3,m 260 N 4,0m 2 3.0m -3 m a) Determine the resultant of the three force system shown in Fig.(2). b) Determine the moment of the force system shown in Fig.(2) with respect to the a-axis.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter6: Beams And Cables

Section: Chapter Questions

Problem 6.6P: Find the internal force systems acting on sections 1 and 2.

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Concept explainers

Types of loading

In mechanical terminology, the term load indicates that external force/weight, either constant or variable, acts on a mechanical member/structure. The weight of an object of a specific material is also an external load, and the external force that works on a structure comes under the categories of loading. The external load generates its effects as stress and strain in the structure.

Question

50 N
2m
y
70 N
12.0m
Fig.(2)
3.m
260 N
4,0m
2.m
------
a
3.0m
3 m
a) Determine the resultant of the
three force system shown in
Fig.(2).
b) Determine the moment of the
force system shown in Fig.(2) with
respect to the a-axis.

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