4. Replace the force system on the post by a resultant force, and specify where its line of action intersections the post AB measured from point B. 0.5m

Q: (a) X1 2x22x3 + 2x4 + 4x5 2x3 - 2x5 X4 2x5 - 0 0 (b) 3x1 9x1 6x1 x2 + 4x3 3x2 + 10x3 2x2 + 8x3 = - 0…

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Q: (9) Show that the space curve given by the vector equation r(t) = passes through the point (1, 4,0)…

A: Explained below

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A: a=-5,0,-3 and b=4,0,2sa+tb=27,0,15

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