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Is this statement true or false?
The direction cosines of a vector are Ratios of vector components.
True
False
Which of the following is NOT a way to represent the direction of a vector?
Angles
Unit vector
Cartesian coordinates
Scalar quantity
Fill in the blank:
The dot product of two perpendicular vectors is ________.
Zero
Their magnitudes multiplied
One
Undefined
Resultant vector is the ________ of two vectors.
Sum
Product
Division
Subtraction
Vector is a physical quantity that has both magnitude and direction.
What does the direction of a vector indicate?
Magnitude
Speed
Position
Orientation
In which notation is a vector typically represented?
Roman numerals (I, II, III, etc.)
Greek letters (α, β, γ, etc.)
Alphanumeric combinations (A1, B2, C3, etc.)
→ → →
Arrow notation ( A, B, C, etc.)
When two vectors are collinear, what can be said about their directions?
They are parallel but opposite in direction.
They are perpendicular to each other.
They are parallel and have the same direction.
Their directions cannot be determined.
Which trigonometric function is used to find the direction angle of a vector with respect to a coordinate axis?
Sine
Cosine
Tangent
Secant
The range of values for direction angles measured in degrees is ________.
0° to 90°
0° to 180°
-90° to 90°
0° to 360°
It is done.