SAT Subject Physics Practice Question 553: Answer and Explanation

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Question: 553


The equilibrant vector of a resultant vector is shown above. Which of the choices below represents the y component of the equilibrant vector?

A. Line A
B. Line B
C. Line C
D. Line D
E. Line E

Correct Answer: B


The correct answer is (B). The equilibrant vector is pointed into the third quadrant. The y component for a vector in the third quadrant also points into the third quadrant.

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