Explanation Scalar quantity is defined as the quantity which has only magnitude and no direction. On the other hand, vector quantity is defined as the quantity which has both magnitude and direction. The given vectors are as follows, A → + B → = C → A − B = C Triangle law of vector addition states that when the two vectors are represented by two sides of a triangle in magnitude and direction then the third side of that triangle represents the magnitude and direction of the resultant of two vectors. A → + B → = C → Here, A → is the vector of A. B → is the vector of B. C → is the vector of C. Consider the vector diagram for the addition of vector A → + B → = C → given below. Figure (1) Consider the vector diagram for the subtraction of vectors A − B = C given below

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Chapter 3, Problem 9CQ

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The reason that the vectors A→ and B→ are oriented relative to one another.

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Chapter 3, Problem 8CQ

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Chapter 3 Solutions

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The reason that the vectors A → and B → are oriented relative to one another.

Solution Summary: The author explains that the vectors are oriented collinear and point in opposite directions.

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The reason that the vectors A→ and B→ are oriented relative to one another.

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Chapter 3 Solutions