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| Question | Answer |
| What are the 2 assumptions with motion questions? | The object is a particle We allow instantaneous velocity changes |
| How do we use the conversion calculator function? | Shift 8 |
| How do we work out average velocity? | Final displacement / time |
| How do we work out average speed? | Total distance / time |
| What is a vector quantity? | A quantity with both magnitude and diretion |
| What is a scalar quantity? | A quantity with only magnitude |
| Velocity time graph: |
Image:
Image (binary/octet-stream)
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| What are the times on he graph where the object is stationary? | t=0 , t=25 |
| At what point is the object travelling back towards the start point? | t=25 |
| The gradient of a velocity time graph gives.... | Acceleration |
| The area under a velocity time graph gives.... | Displacement |
| Find the acceleration and displacement at point A,B,C,D (labelled on the graph) | A: 1/5ms-2 , 10m B: 0ms-2 , 10m C: -1/5ms-2 , 10m D: -1/5ms-2 , -5/2m |
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