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�(0,-2,-4) and (2,-1,-1)
B ̅= 5i+2j-5k
Use your understanding of vector analysis to complete the following:
Calculate a resultant vector which would theoretically represent a single force that could replace the two force vectors A and B while giving the same support to the structure.
Calculate the modulus of all three forces.
Determine the value of the dot-product (scalar product) of vectors A and B
Calculate the angle between the vectors A and B
Determine the directional cosine angles of the resultant vector with respect to the x, y and z axes.