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vehicles set 1
| Question | Answer |
|---|---|
| coast | To move without being continuously pushed or pulled |
| chassis | The frame and wheels of a vehicle |
| axles | Round shafts that connect the opposing wheels of a car. |
| bearings | Structures trhat help parts move freely. |
| motion | A change in the position of an object over time. |
| speed | A measure of how fast an object is traveling |
| force | A push or pull. |
| propulsion force | A push or pull that causes an object to move. |
| gravity | The force of a attraction between two objects |
| reference point | An object or location with which position of a second object is compared over time to determine if the second object is moving |
| veer | A change of direction or course |
| baseline | a specific value that can serve as a basis for comparison |
| iteration | a repetition that attempts to improve on a process or product |
| iterate | to perform repetitions to improve on a process or product |
| acceleration | A change over time in the speed, the direction, or the speed and direction of motion |
| friction | A force that opposes motion |
| system | A set of parts so related or interconnected that they work as a whole |
| subsystem | a system within a system that has its own function |
| lubrication | a substance between two surfaces to reduce friction |
| fair test | a test in which only one factor (variable) is changed and all the other conditions are kept the same |
| scale | the ration of the measurements in a representation or a model of an object to the actual object |
| velocity | An objects speed and direction |
| elapsed time | The time it takes to travel between a starting point and an ending point |
| magnitude | greatness or extent of size |
| net force | the overall force on an object, when all the individual forces acting one eachother are added together |
| balanced force | forces opposite in direction and equal in magnitude;balanced forces have a net force of zero |
| unbalanced force | forces that do not produce a net force of zero |
| normal force | the force that comes from the surface on which an object is locaed |
| frame of reference | the view from which you judge the motion of another object |
| qualitative data | information describing the qualities of objects obsrved, but not measured |
| quantitative data | information based on measurement or counting |
| design engineer | someone who designs things |
| criteria | goals that must be satisfied to be able to succesfully achieve a challenge |
| Which variable is plotted on the "x" axis? | the time |
| Which variable is plotted on the "y" axis? | the distance |
| what is a design change? | the way the car is made/put together (changing the wheels) |
| What is a construction change? | how a car is assembled (making one axel longer than other) |
| what is postive/negative acceleration? | Postive: speeding up Negative: slowing down |
| What are the basic components of a coaster car? | bearings, axels, chassis |
| What are some metric unit of measurements? | centimeters meters kilometers |
Created by:
supersage
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