Cartesian coordinat system; A(0,0,0) B(3,4,0) C(3,4,4) F = -20i +10 j+15k N is applied to point C Moment of force F about point A; M Moment of force F about point B; M, Moment of force F about line AB; M, AB Which following one is TRUE?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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Cartesian coordinat system;
A(0,0,0) B(3,4,0) C(3,4,4)
F = -20i+10j +15k N is applied to point C
Moment of force F about point A; M,
Moment of force F about point B; M,
Moment of force F about line AB; MAE
АВ
Which following one is TRUE?
Magnitude of moment about AB line {M(AB)} of force F is equal to the vector product of unit vector (3i+4j) and Moment vector of the force F about
O A)
point A.
Moment magnitude of force Fabout AB line {M(AB)} is equal to the scaler product of unit vector (0.6 i + 0.8 j) and Moment vector of force F about point
B)
А.
Moment vector of force F about AB line {M(AB)} is equal to the vector product the force Fand unit vector (0.6 i+ 0.8 i)
Magnitude of moment about AB line {M(AB)} of force F is equal to the vector product of unit vector (0.6 i + 0.8 j) and Moment vector of the force F about
D)
point A.
E)
NONE
Transcribed Image Text:Cartesian coordinat system; A(0,0,0) B(3,4,0) C(3,4,4) F = -20i+10j +15k N is applied to point C Moment of force F about point A; M, Moment of force F about point B; M, Moment of force F about line AB; MAE АВ Which following one is TRUE? Magnitude of moment about AB line {M(AB)} of force F is equal to the vector product of unit vector (3i+4j) and Moment vector of the force F about O A) point A. Moment magnitude of force Fabout AB line {M(AB)} is equal to the scaler product of unit vector (0.6 i + 0.8 j) and Moment vector of force F about point B) А. Moment vector of force F about AB line {M(AB)} is equal to the vector product the force Fand unit vector (0.6 i+ 0.8 i) Magnitude of moment about AB line {M(AB)} of force F is equal to the vector product of unit vector (0.6 i + 0.8 j) and Moment vector of the force F about D) point A. E) NONE
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