Physics - Motion

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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.
The speed at a particular 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. (M/s).
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. (Nm).
The unit of moment.
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NEWTONS PER METRE SQUARED. (N/m²).
A unit of pressure.
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PIVOT.
The point about which a lever or see-saw balances.
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PRESSURE.
A 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 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

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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