| Questions |
Answers |
| Speed is .... | The distance travelled in a certain time. |
| The formula for speed is | Distance / Time |
| the axis in a distance speed graph are... | Time on the x axis and Distance up the y axis. |
| Speed can be calculated by | calculating the gradient of the graph horitontal / vertical |
| In a distance speed graph the flat sections are .... | where the object is stopped |
| In a distance time graph the steeper the slope... | the faster the object is going |
| In a distance time graph the downhill section meens.. | the objct is coming back towards you. |
| When talking about distance time graphs disances can be.... | positive or negative. |
| Speed is just a number but.. | velocity has direction too |
| in a velocity time graph gradient represents.... | acceleration |
| in a velocity time graph flat sections represent... | constant speed |
| in a velocity time graph the steeper the slope... | The greater the acceleration |
| In a velocity time graph uphill sections indicate... | acceleration |
| in a velocity time graph downhill sections indicate.. | deceleration |
| in a velocity time graph the area under the graph is equal to... | the distance travelled in that time interval. |
| Forces occur when...... | two objects interact |
| If you push against a wall, the wall... | pushes back |
| Moving objects normally.... | experience Friction |
| Resultant force is... | the overall force acting on an object. |
| The formula for Momentum is | mass x velocity |
| The formula for change of momentum is.. | Resultant force x time for which the force acts |
| change in energy is the same as.. | Work done |
| The formula for work done is | Force x Distance |
| The formula for kinetic energy is | half x mass x velocity squared |
| The formula for change in gravitational potential energy is | Weight x change in height |
| Falling objects convert gravitational potential energy into | Kinetic energy |
