2-8 A uniform slender rod EJ is secured to the rigidframe in the position by the hinge at E and rollerat H and is carrying a 300-N load at its end Jasshown where 0 = tan-¹(3/4).a) Describe with a simple diagram how the 300-N load imparts the rotational effect on rod EJ.c) By proper judgment and without detailedcalculations, assess the effect of changingthe angle to 60° on the moment in part b).[b) (i) MH-216k N-m or 216 N-m CW; (ii) ME=-360k N-m or 360 N-m CW2-9Consider the frame and its loadings as shownwhere a 0.8 m, b= 1.2 m, and = 30°.a) Describe with a simple diagram how thegiven force system on the given frame mayform a couple and what effect it imparts onthe framec) Without detailed calculations, assess thedifference between replacing the given forcesystem by an equivalent formaple systemat A and at Em[b) (i) M = 120k N-m or 120 N-m CCW=-173.2/N and M = 120k N-m(or 120 N-m CCW)]2-10 Consider the beam and its loadings as shownwhere e 1.0 m and h = 0.7 m.a) Describe with a simple diagram how thegiven force at any given point on a rigid bodymay have an equivalent force-couple atanother point..Without detailed calculations, assess theeffect of changing the dimensions e and honthe answer obtained in part b) (i).[b) (i) E= -2.0/ kN and M = -2.0k kN-m (or 2.0 kN-m CW); (ii) E= -1.6/kN,4.0 m; (iii) M=-6.4k kN.m]800 mmFigureDFigureFigureH01200 mmP2-8200 NP2-9B100 NECCP2-100.5 m2 kN300 N1.5 m-e2.0 m-B↑800 N/m000

NOTE : Since you have asked multiple questions, we will solve the first question for you. If you…

2-8 A uniform slender rod EJ is secured to the rigid. frame in the position by the hinge at E and roller at H and is carrying a 300-N load at its end Jas shown where = tan-¹(3/4). a) Describe with a simple diagram how the 300- N load imparts the rotational effect on rod EJ. ut w c) By proper judgment and without detailed calculations, assess the effect of changing the angle to 60° on the moment in part b). $57 OUR 1440 M Qu 800 mm 1200 mm 300 N

2-8 A uniform slender rod EJ is secured to the rigid. frame in the position by the hinge at E and roller at H and is carrying a 300-N load at its end Jas shown where = tan-¹(3/4). a) Describe with a simple diagram how the 300- N load imparts the rotational effect on rod EJ. ut w c) By proper judgment and without detailed calculations, assess the effect of changing the angle to 60° on the moment in part b). $57 OUR 1440 M Qu 800 mm 1200 mm 300 N

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter10: Plate Girders

Section: Chapter Questions

Problem 10.7.9P

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Concept explainers

Beams

In structural engineering, a beam is a component made of a variety of materials (including steel alloys, and wood) that can resist loads applied laterally to the beam axis. Members, elements, rafters, shafts, and purlins are all terms used to describe beams.

Question

2-8 A uniform slender rod EJ is secured to the rigid
frame in the position by the hinge at E and roller
at H and is carrying a 300-N load at its end Jas
shown where 0 = tan-¹(3/4).
a) Describe with a simple diagram how the 300-
N load imparts the rotational effect on rod EJ.
c) By proper judgment and without detailed
calculations, assess the effect of changing
the angle to 60° on the moment in part b).
[b) (i) MH-216k N-m or 216 N-m CW; (ii) ME=-360k N-m or 360 N-m CW
2-9
Consider the frame and its loadings as shown
where a 0.8 m, b= 1.2 m, and = 30°.
a) Describe with a simple diagram how the
given force system on the given frame may
form a couple and what effect it imparts on
the frame
c) Without detailed calculations, assess the
difference between replacing the given force
system by an equivalent formaple system
at A and at Em
[b) (i) M = 120k N-m or 120 N-m CCW=-173.2/N and M = 120k N-m
(or 120 N-m CCW)]
2-10 Consider the beam and its loadings as shown
where e 1.0 m and h = 0.7 m.
a) Describe with a simple diagram how the
given force at any given point on a rigid body
may have an equivalent force-couple at
another point..
Without detailed calculations, assess the
effect of changing the dimensions e and hon
the answer obtained in part b) (i).
[b) (i) E= -2.0/ kN and M = -2.0k kN-m (or 2.0 kN-m CW); (ii) E= -1.6/kN,
4.0 m; (iii) M=-6.4k kN.m]
800 mm
Figure
D
Figure
Figure
H
0
1200 mm
P2-8
200 N
P2-9
B
100 N
E
C
C
P2-10
0.5 m
2 kN
300 N
1.5 m-e2.0 m-
B
↑
800 N/m
000

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