physics
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12 questions
| 🇬🇧 | 🇬🇧 |
| What is a scalar | Something represented by numbers with no direction such as volume, density and mass |
| What is a vector | Something with direction |
| What is conservation of mass | The system's mass cannot change, so quantity can neither be added nor be removed. |
| What is newtons second law | Force = mass x acceleration (f=ma) |
| How big is an atom | 0.1 nm |
| Equation for density | P = m\v p = density m = mass v = volume |
| What does a distance time graph show | Speed and direction over a specific period |
| Equation for speed | Distance\time |
| How is acceleration measured using light gates | Using light beams as the object passes through it is detected through the first light then the second and the time in between them is divided by the distance |
| Area equation | Width x length |
| How is perimeter found | Sum of all sides |
| What is the gradient of a triangle with a rise of 500mm and 10m run | 5 10m = 10000mm 500\10000 = 0.05 x100 =5 |