6.5.1.1 scalar and vector quantities Flashcards
What is a scalar quantity
a scalar quantity is an amount or size of a thing with just magnitude, there is no direction.
What is a vector quantity
a vector quantity is an amount or size of a thing with both magnitude and associated direction
Name some examples of scalar quantities
-temperature
-mass
-energy
-distance
-speed
-density
Name some examples of vector quantities
-displacement
-acceleration
-force
-velocity
-momentum
What is a vector quantity represented as?
an arrow, the length of the arrow represents the magnitude, and the direction of the arrow is the direction of the vector quantity.
What is displacement?
How far travelled, direction
What is distance
How long or far travelled
How to work out average speed?
Total distance travelled / total time taken
How to work out average velocity?
Final displacement / total time taken