P2.1.2 - Vectors And Scalars Flashcards
Is force a vector or scalar?
Vector
What is the difference between a vector and a scalar?
A vector has a direction, while a scalar does not
What is the similarity between vectors and scalars?
They both have magnitudes
How do you represent vectors when drawing them?
You use arrows
How do you represent a vector’s direction and magnitude using an arrow?
The direction the arrow is pointing in represents the direction of the vector and the length of the arrow represents the magnitude of the vector
What is displacement?
The distance from the place that you start
Is speed a vector or scalar quantity?
Scalar
Is velocity a vector or scalar quantity?
Vector
How do you add vector quantities?
You can add them simply but be wary of negative values
If you walk 2 miles east, and then 4 miles west, what’s your displacement?
-2 miles (assuming East is positive)