Scalars and vectors Flashcards
1
Q
Definition of scalar
A
only magnitude, not direction.
2
Q
Definition of a vector
A
direction as well as magnitude.
3
Q
Scalar quantities
A
Distance , time, speed
4
Q
Vector quantitites
A
Velocity, displacement , acceleration , mass, force
5
Q
Formula for resultant force
A
Pythagoras
6
Q
Formula for velocity
A
V= s/t
7
Q
Formula for speed
A
V=s/t
8
Q
Formula for distance
A
D=v/t
9
Q
Formula for time
A
T= d/v
10
Q
How do you find displacement from a vt graph
A
Area under the graph.
11
Q
Definition of acceleration
A
change of velocity per unit of time.
12
Q
Acceleration formula
A
A=v-u/t
13
Q
Final velocity formula
A
V= u+at
14
Q
What is acceleration on a vt graph
A
The gradient ( steepness)
15
Q
Formula to solve force mass and acceleration
A
F=ma
