11165906
Description
Flashcards by Molly Hammond, updated more than 1 year ago
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Created by Molly Hammond
over 7 years ago
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| Question | Answer |
| GPE = | h x m x g Height x Mass x Gravitational Field Strength |
| Power = | V x I Voltage x Current |
| Voltage = | I x R Current x Resistance |
| Energy = | V x I x t Voltage x Current x Time |
| Efficiency (%) = | (useful energy out ÷ total energy in) x 100 |
| Work done = | F x D Force x Distance |
| Power = | F x s Force x Speed |
| Power = | E ÷ t Energy ÷ Time |
| Speed = | D ÷ t Distance ÷ Time |
| Acceleration = | (v - u) ÷ t Change in velocity ÷ time |
| Force = | m x a Mass x Acceleration |
| Weight = | m x g Mass x Gravitational Field Strength |
| Momentum = | m x v Mass x Velocity |
| Density = | m ÷ v Mass ÷ Volume |
| Pressure = | f ÷ a Force ÷ Area |
| Moment = | F x d Force x perpendicular distance from pivot |
| Force = | k x e Spring constant x extension |
| KE = | 1/2 x m x (v x v) 1/2 x mass x (velocity x velocity) |
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