# Motion And Pressure

Acceleraation
The amount by which speed increases in one second.
1 of 10
Atmospheric pressure
Pressure caused by the collisions of air molecules that produce a force on an area
2 of 10
Average Speed
The total distance travelled in the total time taken for a complete journey
3 of 10
Centre of gravity
The point in an object where the force of gravity seems to act
4 of 10
Centre of mass
The point in an object where the mass of an object seems to act
5 of 10
Compressed
Squashed into a smaller space.
6 of 10
Density
The mass of a material in a certain volume
7 of 10
Distance-time graph
A graph that shows how far an object moves each second
8 of 10
Incompressible
Cannot be compressed(squashed)
9 of 10
Instaneous speed
The speed at a particular moment
10 of 10

## Other cards in this set

### Card 2

#### Front

Pressure caused by the collisions of air molecules that produce a force on an area

#### Back

Atmospheric pressure

### Card 3

#### Front

The total distance travelled in the total time taken for a complete journey

### Card 4

#### Front

The point in an object where the force of gravity seems to act

### Card 5

#### Front

The point in an object where the mass of an object seems to act