# 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.

## Presentation on theme: "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."— Presentation transcript:

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

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

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

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

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

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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