6.1- VECTORS AND SCALARS Flashcards
is displacement vector or scalar?
vector quantity
What is a vector?
a physical quantity that has a direction and magnitude
What is a scalar?
a physical quantity that is not directional
What does the length of an arrow for a vector represent?
magnitude of vector quantity
What does the direction of an arrow for a vector quantity represent?
direction of vector quantity
What is displacement?
distance in a given direction
What is velocity?
speed in a given direction
Is force and acceleration a vector or scalar quantity?
both vector quantities
When can two vectors be added?
when they are of the same type
Using what can a resultant force be worked out?
scale diagram
The resultant force of two vectors that act along the same line has a magnitude that is the same if…?
the two vectors are in the same direction
The resultant force of two vectors that act along the same line has a magnitude that is the difference if…?
the two vectors are in opposite directions