How does the j-unit vector of vector DH get -21? 3.152 The 23-in. vertical rod CD is welded to the midpoint C of the 50-in.rod AB. Determine the moment about AB of the 174-lb force Q.-x24 in.D17 in.30 in.Q H32 in.16 in.18 in.21 in.Fig. P3.152Bx12 in. Substitute (32 î – 30 j – 24k) in for AB in the above equation to calculate A.=λ =(321-30ĵ-24k) in32²+(-30)²+(-24)²321-30 j-24 k500.64 î – 0.6 ĵ – 0.48 k(1)Write the expression for the vector from B to H.TBH = (−32 î+17 ĵ) in . (II)Write the expression for the vector from D to H.DH = (-16-21-12k) in==Write the expression to calculate the force Q in the direction of the vector DH.Q = |Q|DHDHHere is the magnitude of force Q.Substitute 174 lb for |Q| and (−16 î – 21 ĵĴ – 12 k) in for DH in the above equation to calculate Q.Q = (174 lb)=174 lb29 in(-16 1-21 j-12k) in√√(−16)²+(-21)²+(-12)² in-16 î – 21 ĵ – 12k) in= (−96 î – 126 } – 72k) lb.(111)-

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Answered: 3.152 The 23-in. vertical rod CD is…

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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360 mm 920 mm lo 600 mm 900 mm C.
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