always conserved: not destroyed/created, just transferred
1 of 5
name the types of energy
kinetic
gravitational potential
electro- magnetic
nuclear
thermal
elastic potential
vibrational
chemical potential
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efficiency
how much of input energy/power is used usefully
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Hooke's law (springs) practical
- line up the ruler with the bottom of the spring
- have close with an eye in line to reduce parallax error
- add 100g of mass measure extension
- repeat eg. add another 100g etc
- do not over stretch spring
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