Period 5: New Forces In 2D Practice Test

13 Questions | Total Attempts: 55

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Period 5: New Forces In 2D Practice Test

Questions and Answers
  • 1. 
    Find the magnitude of the resultant vector.  
    • A. 

      54.7 N

    • B. 

      36.0 N

    • C. 

      24.7 N

    • D. 

      26.7

  • 2. 
    Find the vertical component of this vector.
    • A. 

      35 N

    • B. 

      17.6 N

    • C. 

      24.7 N

    • D. 

      32.6 N

  • 3. 
    Find the horizontal component of this vector.
    • A. 

      35 N

    • B. 

      17.6 N

    • C. 

      24.7 N

    • D. 

      32.6 N

  • 4. 
    What is the horizontal component of this vector?
    • A. 

      68.8 N

    • B. 

      102.6 N

    • C. 

      98.3 N

    • D. 

      77.8 N

  • 5. 
    What is the vertical component of this vector?
    • A. 

      68.8 N

    • B. 

      102.6 N

    • C. 

      98.3 N

    • D. 

      77.8 N

  • 6. 
    Your mom tries to drag you out of bed. She pulls you by your feet with a force of 100 N at an angle of 22 degrees. How much of this force is pulling you forward (horizontally)?
    • A. 

      75.1 N

    • B. 

      87.9 N

    • C. 

      37.5 N

    • D. 

      92.7 N

  • 7. 
    A child drags her backpack across the floor, pulling it with a force of 22 N with an angle of 60 degrees to the floor. Find the horizontal and vertical components of this force.
    • A. 

      Horizontal= 19 N, vertical = 11 N

    • B. 

      Horizontal = 11 N, vertical = 19 N

    • C. 

      Horizontal = 38 N, vertical =17 N

    • D. 

      Horizontal=17 N, vertical = 38 N

    • E. 

      Horizontal = 8 N, vertical= 21 N

    • F. 

      Horizontal =21 N, vertical=8 N

  • 8. 
    What is the tension in the rope on the right?
    • A. 

      15.7 N

    • B. 

      24.5 N

    • C. 

      49 N

    • D. 

      38 N

  • 9. 
    What is the tension in the rope on the left?
    • A. 

      58 N

    • B. 

      24.5 N

    • C. 

      15.7 N

    • D. 

      62 N

  • 10. 
    What is the weight of the object?
    • A. 

      25.3 N

    • B. 

      120 N

    • C. 

      50.7 N

    • D. 

      45.7

  • 11. 
    What is the weight of the object?
    • A. 

      18.1 N

    • B. 

      11.6 N

    • C. 

      5.8 N

    • D. 

      22.6 N

  • 12. 
    What is the magnitude of the resultant vector?
    • A. 

      2100 N at 70.9 degrees

    • B. 

      45.8 N at 70.9 degrees

    • C. 

      45.8 N at 60 degres

    • D. 

      63.4 N at 54.6 degrees

    • E. 

      63.4 N at 70.9 degrees

  • 13. 
    What is the resultant force of these two vectors?
    • A. 

      83.9 N at 66 degrees

    • B. 

      56.7 N at 25 degrees

    • C. 

      65.8 at 55 degrees

    • D. 

      75 N at 46 degrees

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