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For any two vectors A and B, which of the following equations is false. A) A – A = 0 B) A – B = A + B C) A + B = B + A D) A/a = 1/a (A), where ‘a’ is a non zero scalar READING QUIZ

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In the Cartesian coordinate system, i and j are ______. A) directional cosines B) position vectors C) force components D) unit vectors READING QUIZ

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The resultant of two forces is __________. A) the vector sum of the two forces B) the algebraic sum of the two forces C) always equal to zero D) always greater than each individual force CONCEPT QUIZ

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Algebraic (i.e., scalar addition) of two vectors yields the same result as vector addition, if the two vectors are _______. A) collinear B) of the same magnitude C) perpendicular to each other D) at 45° to each other CONCEPT QUIZ

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If a force is represented by F = {3 i + 4 j} N, the y component has a magnitude of A) 3 N B) 4 N C) 7 N D) 5 N ATTENTION QUIZ

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The Pythagorean theorem can be used to find ________. A) the sum of two vectors B) the direction of resultant vector C) the magnitude of the resultant force from its x and y components D) the product of two vectors ATTENTION QUIZ

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