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  • Created by: daniela.x
  • Created on: 29-04-18 18:03
acceleration
The amount by which speed increases in one second.
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atmospheric pressure
Pressure caused by the collisions of air molecules that produce a force on an area.
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average speed
The total distance travelled in the total time taken for a complete journey.
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centre of gravity
The point in an object where the force of gravity seems to act.
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centre of mass
the point in an object where the mass of an object seems to act.
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compressed
Squashed into a smaller space.
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density
The mass of a material in a certain volume.
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distance-time graph
A graph that shows how far an object moves each second.
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gas pressure
The force exerted by air particles when they collide with a surface.
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incompressible
Cannot be compressed (squashed).
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instantaneous speed
This speed at a particular moment.
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law of movements
An object is in equilibrium if the clockwise moments equal the anticlockwise moments.
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liquid pressure
The pressure caused by collisions of particles in a liquid.
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metres per second
A unit of speed.
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moment
A measure of the ability of a force to rotate an object about a pivot.
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newton metres
The unit of movement.
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newtons per metre quared
A unit of pressure.
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pivot
The point about which a see-saw or lever balances.
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pressure
The force exerted on a certain area.
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relative motion
The difference between the speeds of two moving objects, or of a movingand a stationery object.
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speed
A measure of how far something travels in a given time.
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Other cards in this set

Card 2

Front

atmospheric pressure

Back

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

Card 3

Front

average speed

Back

Preview of the front of card 3

Card 4

Front

centre of gravity

Back

Preview of the front of card 4

Card 5

Front

centre of mass

Back

Preview of the front of card 5
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