L5: VECTOR ADDITION

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6 Terms

1
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Cartesian Coordinate Plane

  • Quadrant I

  • Quadrant II

  • Quadrant III

  • Quadrant IV

2
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Cardinal Directions for Vector

  • North

  • South

  • East

  • West

  • Northeast

  • Northwest

  • Southeast

  • Southwest

  • North of East

  • East of North

  • West of North

  • North of West

  • South of East

  • East of South

  • West of South

  • South of West

3
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Graphical Method

  • We can add two vectors by placing them head to tail

  • Adding them in reverse order gives the same result.

  • We can also add them by constructing a parallelogram.

  • R = A + B

4
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Analytical Method

Pythagorean theorem can be used in determining the magnitude of the resultant vector of vectors that make a right triangle.

5
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Relative to X axis

X component = Acosø

Y component = Asinø

6
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Relative to Y axis

X component = Asinø

Y component = Acosø