Vectors Have Size and Direction - Scalar Quantities Only Have Size Flashcards
1
Q
What is useful to know when there are multiple forces acting on an object?
A
The resultant Force acting on the object
2
Q
How do you do this (know resultant Force)?
A
You need to know the size of all the different forces acting on the object and their direction
3
Q
What kind of quantity is Force?
A
A vector quantity - has a size and direction
4
Q
Vector quantity examples:
A
Force, velocity, acceleration, momentum e.t.c
5
Q
What are scalar quantities?
A
Physical quantities that only have size and no direction
6
Q
Scalar quantity examples?
A
Mass, temp, time, length e.t.c
