2-127 | Chapter 2: Force Vectors | Hibbeler Statics 14th ed | Engineers Academy

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Engineering Statics by Hibbeler 14th Edition
Chapter 2: Force Vectors
Position Vectors
Force Vector Directed Along a Line
Cartesian Vector Representation
Magnitude of Cartesian Vector
Coordinate Direction Angles
Dot Product

2–127. Determine the angle u between pipe segments BA and BC.

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Hello Sir, does r(BC) need to be = 9i+4j-2k? instead of 6i+4j-2k.

MongChangSar
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Assalam o alaikum Sir you take the 4j positive in BC vector but here it will be the -4j

AbdulWahab-ochc