Spring Physics Exam 2 #'s 6-10

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Spring Physics Exam 2 #

Questions and Answers
  • 1. 

    6. In the figure, which diagram represents the vector addition,C = A + B?

    • A.

      I

    • B.

      II

    • C.

      III

    • D.

      IV

    Correct Answer
    B. II
    Explanation
    Diagram II represents the vector addition C = A + B because it shows the two vectors A and B being added head-to-tail. The resulting vector C starts at the tail of A and ends at the head of B. This is the correct method of vector addition, where the magnitudes and directions of A and B are combined to determine the magnitude and direction of C.

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  • 2. 

    7. In the figure, which diagram represents the vector addition,C = - A + B?

    • A.

      I

    • B.

      II

    • C.

      III

    • D.

      IV

    Correct Answer
    C. III
    Explanation
    Diagram III represents the vector addition C = -A + B. In this diagram, vector A is shown in the opposite direction with a negative sign, and vector B is shown in the same direction. When we subtract vector A from vector B, we get vector C. Therefore, diagram III is the correct representation of the vector addition C = -A + B.

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  • 3. 

    8. In the figure, which diagram represents the vector addition, C = A - B?

    • A.

      I

    • B.

      II

    • C.

      III

    • D.

      IV

    Correct Answer
    D. IV
    Explanation
    Diagram IV represents the vector addition C = A - B because it shows the vector A pointing in one direction and the vector B pointing in the opposite direction. When we subtract vector B from vector A, we get vector C which is shown in Diagram IV. The other diagrams do not accurately represent the subtraction of vector B from vector A.

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  • 4. 

    9. Which of the figures is not drawn head-to-tail?

    • A.

      I

    • B.

      II

    • C.

      III

    • D.

      IV

    Correct Answer
    A. I
    Explanation
    Figure I is not drawn head-to-tail because the tail of the arrow does not connect to the head of the next arrow. The other figures (II, III, and IV) are all drawn head-to-tail, meaning that the tail of one arrow connects to the head of the next arrow in a continuous line.

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  • 5. 

    10. In the figure above, which diagram represents the vector addition, C = - A - B?

    • A.

      II

    • B.

      III

    • C.

      IV

    • D.

      V

    Correct Answer
    D. V
  • 6. 

    8. In the figure above, which diagram represents the vector addition, C = A - B?

    • A.

      I

    • B.

      II

    • C.

      III

    • D.

      IV

    Correct Answer
    D. IV
    Explanation
    Diagram IV represents the vector addition C = A - B. In this diagram, vector B is subtracted from vector A, resulting in vector C. The direction of vector C is determined by subtracting the direction of vector B from the direction of vector A. The magnitude of vector C is determined by subtracting the magnitude of vector B from the magnitude of vector A. Therefore, diagram IV correctly represents the vector addition C = A - B.

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  • Current Version
  • Mar 14, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 01, 2015
    Quiz Created by
    Sfduke
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