Distance, Displacement, Speed and Velocity Flashcards
1
Q
What are scalar quantities?
A
Physical quantities that only have a magnitude
2
Q
List some scalar quantities.
A
- Speed
- Distance
- Mass
- Energy
- Temperature
- Time
3
Q
What are vector quantities?
A
Physical quantities that have both direction and magnitude
4
Q
List some vector quantities.
A
- Force
- Velocity
- Displacement
- Weight
- Acceleration
- Momentum
5
Q
What is distance?
A
How far an object has moved
6
Q
What is displacement?
A
The distance and direction in a straight line from an object’s starting point to its finishing point
7
Q
What is speed?
A
How fast something is moving
8
Q
What is velocity?
A
Speed in a given direction
9
Q
What are speed and velocity measured in?
A
metres per second, m/s
10
Q
What are distance and displacement measured in?
A
metres, m
11
Q
What is the equation to calculate speed?
A
Speed = distance ÷ time
12
Q
Recall some typical speeds for different methods of transport.
A
- Walking - 1.4m/s
- Running - 3m/s
- Cycling - 5.5m/s
- Cars in urban area - 13m/s
- Cars on motorway - 31m/s
- Trains - 55m/s
- Aeroplanes - 250m/s
- Ferries - 15m/s
- Wind speed 5-20m/s
- Speed of sound in air - 340m/s
