According to properties of the dot product, A ( B + C ) equals _________. A) (A B) +( B C) B) (A + B) ( A + C ) C) (A B) – ( A C) D) ( A B ) + ( A C) READING QUIZ

Using the definition of the dot product, the angle  formed between the tails of vectors A and B is A)  = cos -1 ( AB ) B)  = cos -1 ( AB ) C)  = sin -1 ( A B ) D)  = sin -1 ( AB ) AB READING QUIZ

CONCEPT QUIZ The projection of force F along a line can be determined by taking the dot product of F with A) the position vector of the two point on the line. B) the unit vector along the force. C) the unit vector along the line. D) None of the above.

CONCEPT QUIZ The dot product of two force vectors parallel to each other is __. A) 1 B) 0 C) –1 D) Can not be determined due to lack of information.

ATTENTION QUIZ Select the false statement. A) i i = 1 B) i j = 0 C) j k = 0 D) k i = -1

ATTENTION QUIZ The dot product of F = {4 i + j } N with the vector – i m is A) 4 N - m B) 1 N - m C) 0 N - m D) - 4 N - m