level: Mathematics
Questions and Answers List
level questions: Mathematics
| Question | Answer |
|---|---|
| Mathematical Definition of Work | W=(parallel component of F)(∆x) |
| Joule (J) | Newton x metre |
| SI unit for Work | Joule |
| Valid units for Energy | Any force unit times a distance unit. The standard English unit for energy is ft x lbs |
| Equation for Potential Energy | PE=mgh |
| Equation for Kinetic Energy | KE=1÷2mv^2 |
| Mathematical Expression of the First Law of Thermodynamics (The Law of Conservation of Energy) | TE=PE+KE, where Total Energy equals Potential Energy plus Kinetic Energy |
| Mathematical definition of Power | P=∆w÷∆t |
| SI unit for Power | Joule/second (Watt) |