Vectors Flashcards
What is a Vector?
A quantity that has both magnitude and direction.
How are vectors represented?
They are represented by a letter with an arrow on top
What is the purpose of the arrow on a vector?
It serves as a reminder that vectors have direction.
When vectors have the same magnitude and direction regardless of direction, they are …?
Equal.
If two vectors have the same direction, they are …?
Parallel.
If two vectors have opposite directions regardless of magnitude, they are …?
Antiparallel.
What is a negative vector?
A vector that has the same magnitude but opposite direction to another.
What does Addition or Subtraction of vectors give us?
A resultant vector.
What is a component of a vector?
The two dimensional directions of a vector along the x and y axis.
Why principles do you apply when calculating vectors using components?
Principles of Pythagorean Theorem and Trigonometry
What is a Unit Vector?
A vector that has no units and a magnitude of 1, with its sole purpose to describe a direction in space.
What is a product vector?
Product of the magnitudes of the vectors and cosine of the angle between them.
What is a vector product?
Product of the magnitudes of the vectors and sine of the angle between them.
How is Scalar Products denoted?
With a DOT.
How is Vector Product denoted?
With a times “x” sign.
