pressure

acceleration
the amount by which speed increases in one second.
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atmospheric pressure
pressure causedby the collisions of air molecules
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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
sqaushed into a smaller space
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density
the mass of a material in a certian 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
can not be compressed (squashed)
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instantaneous speed
the speed at aparticular moment
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law of moments
an object is in equilibrium if the clockwise moments equal the anticlockwise moments
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liquid pressure
the pressure produced 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 moment
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newton per metres squared
a unit pressure
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pivot
the about which a lever or see-saw 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 moving and a stationary 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

pressure causedby the collisions of air molecules

Back

atmospheric pressure

Card 3

Front

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

Back

Preview of the back of card 3

Card 4

Front

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

Back

Preview of the back of card 4

Card 5

Front

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

Back

Preview of the back of card 5
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