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PHYSICAL PROPERTIES - Coggle Diagram
PHYSICAL PROPERTIES
DENSITY
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For an object with the same mass, it is more likely to sink as its volume decreases.
For an object with the same volume, it is more likely to sink as its mass increases.
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SI UNITS
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Equations:
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- Energy = 1/2 x Mass x Velocity 2
- Force = Mass x Accelaration
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ZEROS AND SF
- Non-zero digits are always significant
- All final zeros after the decimal points are significant
- Zeros between tow other significant digits are always significant
- Zeros used before the first non-zero digit are not significant
PHYSICAL QUANTITIES
A physical quantity is a quantity that can be measured and consists of a numerical magnitude and a unit.
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ERRORS
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SYSTEMATIC ERROR
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Due to the equipment being used, e.g. weather conditions on a particular day.
They may be due to environmental factors, e.g. weather conditions on a particular day.
Cannot be reduced by averaging, bu they can be eliminated if the sources of the errors are known.
PENDULUM:
Period, T is the time taken for one complete oscillation
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