1) Which of the following statements is incorrect? a) The unit vector a, in the direction of a vector A is determined by dividing |A| b) ax - a unit vector in the direction of increasing x c) az - a unit vector in the direction of increasing z d) 2) Equation for C modulus a) b) c) C d) |C| 3) Which of the following statements is correct? a) 𝑟 ̄𝑀=𝑂𝑀 b) 𝑟 ̄M=𝑂𝑁 c) 𝑟 ̄𝑁=𝑁𝑂 d) 𝑟 ̄𝑁=𝑂𝑀 4) Calculate |A| a) 24.0 units b) 4.89 units c) 8.29 units d) 7.07 units 5) Calculate |B| a) 8.06 units b) 4.55 units c) 7.01 units d) 2.31 units 6) Unit vector B a) 0.82ax + 0.41ay + 0.41az b) 0.62ax - 0.25ay - 0.74az c) 0.82ax + 0.41ay - 0.41az d) 0.62ax - 0.25ay + 0.74az 7) Unit vector A a) 0.82ax + 0.21ay - 0.21az b) 0.54ax + 0.21ay - 0.21az c) 0.82ax + 0.41ay - 0.41az d) 0.91ax +0.31ay - 0.50az 8) ax, ay and az are called? a) Unit Scalar b) Unit Vector c) Cartesian Coordinate System d) Magnitude ax, ay and az 9) How much coordinate system? a) 2 b) 3 c) 1 d) 4 10) All below are coordinate systems, except? a) Cylindrical Coordinate System b) Spherical coordinate System c) Cone coordinate System d) Rectangular Coordinate System

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