17103807
Descrição
FlashCards por Alexandra Anderson, atualizado more than 1 year ago
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Criado por Alexandra Anderson
quase 6 anos atrás
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| Questão | Responda |
| Weight | mass * gravitational field strength |
| Work done | force * distance (along the line of action) |
| Force on a spring | spring constant * extension |
| Moment of a force | force * distance (normal to direction of force) |
| Pressure | force (normal to surface) ----------------------------------------- area of surface |
| Distance travelled | speed * time |
| Acceleration | change in velocity ----------------------------------- time taken |
| Resultant force | mass * acceleration |
| Momentum | mass * velocity |
| Kinetic energy | mass * speed^2 -------------------------------- 2 |
| Gravitational potential energy | mass * gravitational field strength * height |
| Power ( with time and energy ) | energy transferred ---------------------------------- time |
| Power ( with work done and time ) | work done --------------------------- time |
| Efficiency ( with energy ) | useful output energy transfer -------------------------------------------------- total input energy transfer |
| Efficiency ( with power ) | useful power output ---------------------------------- total power input |
| Wavespeed | frequency * wavelength |
| Charge | current * time |
| Potential difference | current * resistance |
| Power ( with potential difference ) | potential difference * current |
| Power ( with resistance ) | current^2 * resistance |
| Energy transferred ( with power) | power * time |
| Energy transferred ( with charge ) | charge * potential difference |
| Density | mass ----------------- volume |
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