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14 Cards in this Set
- Front
- Back
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mechanical advantage of lever |
effort / resistance |
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mechanical advantage of wheel and axel |
wheel diameter / axle diameter |
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mechanical advantage of pulley |
output force / input force |
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compound levers |
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pulleys and belts transit power though of # different arrangements |
4 |
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basic process by which photovoltaic cell converts absorbed sunlight into electricity |
photoelectric effect |
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T OR F nuclear power is $$$ |
false, as much as coal |
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U.S. Electricity Gen Natural gas |
24 |
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U.S. Electricity Gen Coal |
44.9 |
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U.S. Electricity Gen Hydroelectric |
6.3 |
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U.S. Electricity Gen Pet |
0.9 |
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U.S. Electricity Gen Other Renewables |
4.1 |
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Fossil fuels provide ____% of worlds total energy demands |
90 |
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Fossil fuels provide ____% of worlds electrical power |
60 |
