Draw a vector diagram to find the resultant
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Vector diagram calculator!
Vector diagram parallelogram methodMagnitude & Direction of a Vector
What Is a Vector?
A Vector is something that has two and only two defining characteristics.
- Magnitude
- Direction
Trait #1) Magnitude
Magnitude is "how large' something is .
In the diagrams 1 and 2, you can see vectors that have magnitudes of 4 and of 5.
Diagram 1
Diagram 2
Trait #2) Direction
The meaning of direction is pretty self explanatory.
The vector must start somewhere and move in a path towards a different place. In diagrams 3 and 4 , the green dashed line represents the direction of the vector.
What is a vector diagram in physics
Diagram 3
Diagram 4
| Examples of Vectors | Non Examples |
|---|---|
| 4 units long at 30 $$^{\circ}$$ | 4 unit |
| 44 miles per hour east (velocity) | speed of 44 mph (speed) |
Problem 1
Describe using compass directions (North, South, East, West) the direction of the vector pictured below.
The direction of the vector is North East.
Problem 2
What is the magnitude and the direction of the vector below?
The direction of the vector is 55° North of East, and the vector'
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