P8.1 Vectors and scalars Flashcards
1
Q
What is displacement?
A
Distance without change of direction
Displacement is distance in a certain direction
2
Q
What are examples of vectors?
A
Physical quantities that have both magnitude and direction
3
Q
What are examples of scalars?
A
Physical quantities that have size but no specific direction such as direction
4
Q
What is a magnitude?
A
The size of a quantity
5
Q
What does a direction of an arrow represent?
A
Shows the direction of the vector quantity
6
Q
What does a length of an arrow represent?
A
Represents the magnitude of the vector quantity
7
Q
What is the purpose of a scale diagram?
A
When more than one force acts on an object the forces on the object sometimes need to be shown on a scale diagram
