Report copyright - Mechanics - hkage.org.hkhkage.org.hk/en/imo_pho/pho09/HKPHO_Booklet2.pdf1 Mechanics 1 Vector 1.1 Any vector x 0 y 0 z A A x A y A z 0 r r r r = + + (1.1) Addition of two vectors: x
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