A-LEVEL PHYSICS: 4.1.1: Scalars & Vectors (SaveMyExams) Flashcards
(14 cards)
all quantities can be one of two types: (2)
-vector
-scalar
scalar quantities:
quantities with only magnitude
mass is a ___ quantity. why?
scalar. bc it has magnitude but no direction
vector quantities:
quantities that have both direction & magnitude
weight is a ___ quantity. why?
vector. bc it has both direction & magnitude
distance:
measure of how far an object has travelled, regardless of direction
distance is a ___ quantity. why?
scalar. bc it has magnitude, but no direction
displacement:
measure of how far it is between 2 points in space, including direction
displacement is a ___ quantity. why?
vector. bc it has both direction & magnitude
speed:
measure of the distance travelled by an object per unit time, regardless of the direction
speed is a ___ quantity. why?
scalar. bc it has magnitude, but no direction
velocity:
measure of the displacement of an object per unit time, including direction
velocity is a ___ quantity. why?
vector. bc it has both direction & magnitude
vectors are Represented by:
arrows