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physics 1
some key things i need to remember
| Term | Definition |
|---|---|
| coherent | constant phase difference |
| isotope | mass number changes but proton number stays the same |
| tensile stress | force that can be applied |
| tensile strain | extension by force |
| moment | turning effect around a pivot |
| monochromatic | one colour light |
| principle of moments | sum of anti-clockwise moments equals the sum of the clockwise moments |
| equilibrium | forces are equal and opposite |