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Physics terms for my as paper revision in January

Scalar quantities.

These are quanties that have got magnitude but no direction.

Examples

Distance
Power
Pressure
temperature
Speed
Frequency
Scalar quantities can be added and subtracted like normal numbers but they should have the
same units. Multiplying or dividing scalar quantities…

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GRAPHS OF MOTION.

1. DISPLACEMENT TIME GRAPHS
The gradient is = the velocity, a straight line indicates a constant velocity.
The gradient at any point = to the velocity at that instant. This is called instantaneous
velocity.
2. Velocity ­time graphs

The area under the graph = the displacement

The…

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