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

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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

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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The homogeneous wire ABCD is bent as shown and is attached to a hinge at C. The length BCindicated by b is 94 mm. Determine the length L for which portion BDC of the wire is horizontal. L В IC 60 mm A The length L for which portion BCD of the wire is horizontal is mm.
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