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Description
Flashcards by alex.examtime9373, updated more than 1 year ago
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Created by alex.examtime9373
almost 12 years ago
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| Question | Answer |
| Work | Force x displacement Scalar quantity Joules (J) |
| Energy | The ability to do work Scalar quantity Joules (J) |
| Kinetic energy | The energy a body has due to its motion E = (1/2)(m)(v)² |
| Potential energy | The energy a body has due to its position E = mgh |
| Principle of conservation of energy | Energy can neither be created or destroyed |
| Power | The rate at which work is done (Work/time) Watt (W) |
| Power efficiency | (Power input x100)/ (Power output) |
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