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LAB 1: VECTOR ADDITION Part A Theory Please study vector concept and answer the following questions. 1. Define scalar and vector. List few scalars and vectors quantities. 2. How do you represent a vector graphically? 3. Two or more vectors can be added graphically. Explain the rule for the graphical addition of two vectors (vectors A & B). Give one graphic illustration. 4. Explain the components of vector. If the magnitude A and direction of a two-D vector A are given, how do you calculate the components? Give one sample 5. Forces A +C+D=0. Given the first two force descriptions, A=25 N@ 37 and C = 15 N@ 143°, determine the third force D, by using vector algebraic method (components method). Assume angles are measured relative to the x-axis unless stated otherwise.