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Adding and Breaking Up Vectors

Page history last edited by Tolboom 9 years, 5 months ago

Part 1

 

Draw the following vector scenarios using a protractor. All directions are CCW from east. Determine the magnitude and direction of the unknown vector using your protractor and a scale.

 

Vector Name Magnitude and Direction 
A 25 m/s @ 45˚ 
B  15 m/s @ 225˚
C  40 m/s @ 135˚
D  30 m/s @ 315˚

 

  1. A + D = ?
  2. B + C = ?
  3. A + ? = D
  4. C + C = ?
  5. D + ? = A
  6. C + D = ?
  7. A + ? = B
  8. C + A = ?
  9. ? + A = A
  10. ? + D = B

 

Part 2

 

Draw each of the following vectors and break them into their X and Y components. Use your protractor and a scale to determine the magnitude of each component. All directions are CCW from east.

 

  1. 13 m/s @ 30˚
  2. 1000 m/s @ 110˚
  3. 0.15 m/s @ 300˚
  4. 6 m/s @ 270˚
  5. 19,500 m/s @ 45˚

 

Part 3

 

Use SOH, CAH, TOA to find the X and Y components of each vector in Part 2. Why are your answers slightly different when you use a protractor and opposed to SOH, CAH, TOA? Which technique is more accurate?

 

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