4-87 Moment of a Couple Chapter 4 (Hibbeler Statics 14th Edition) Engineers Academy

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Engineering Statics by Hibbeler 14th Edition
Chapter 4: Force System Resultants
Moment of a Couple
4-87. Determine the resultant couple moment of the two couples that act on the assembly. Specify its magnitude and coordinate direction angles.
Moment about a point
Moment of a force
Principle of Moments
Moment of a Force about specified axis
#EngineeringMechanics #EngineeringStatics #Statics #Hibbeler #CoupleMoment #chapter4
Hibbeler Statics - Chapter Playlists
Chapter 2: Force Vectors - • Chapter 2: Force Vecto...
Chapter 3: Equilibrium of a Particle - • Chapter 3: Equilibrium...
Chapter 4: Force System Resultants - • Chapter 4: Force Syste...
Chapter 5: Equilibrium of a Rigid Body - • Chapter 5: Equilibrium...
Chapter 6: Structural Analysis - • Chapter 6: Structural ...
Chapter 8: Friction - • Chapter 6: Structural ...

[@coltonhendricks1430]

shouldn't we cross multpiply F_1 with 3.84i+2j-2k instead of r_AC? Or does it not matter?

[@skyloner5989]

Is the position of A in the j axis positive or negative?

[@EngineersAcademy2020]

Positive

[@BakBirds]

Why didn't we take -60 or -80