Kinematics Flashcards
1
Q
Average speed F
A
Average speed = Δd / Δt
2
Q
What is instantaneous speed?
A
The speed of an object measured over a very short period of time.
3
Q
What is displacement?
A
The distance travelled in a particular direction, a vector quantity
4
Q
What is velocity?
A
An object’s speed in a particular direction
5
Q
What is velocity?
A
An object’s speed in a particular direction
6
Q
Velocity F
A
V = s / t
7
Q
In a displacement time graph, how would you show:
1. constant velocity
2. greater / smaller velocity
3. stationary object
4. an object moving backwards
5. acceleration
A
- A diagonal line
- Steepness of line
- Straight line
- Negative gradient
- Curve
8
Q
What is a vector triangle?
A
A triangle drawn to determine the result of two vectors.
9
Q
What is a resultant vector?
A
The single vector formed by adding together two or more vectors
