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Motion and speed tes
Chapter 5 science
| Question | Answer |
|---|---|
| Position | the location of an object |
| Motion | a change of position of an object |
| Speed | The measure of an object's change in position during a unit of time |
| Velocity | the measure of the speed and direction of motion of an object |
| Acceleration | Any change in the speed or direction of an object's motion |
| Force | Pull or push of any kind |
| Interia | the property of matter that keeps an object at rest or keeps it moving in a straightline. Ex. Spaceship |
| Momentum | a property of motion that describles how hard it is to slow down or stop an object. Momentum=Mass x Velocity |
| Friction | a force that resists motion between object that are touching |
| gravity | the force that pulls us to earth |
| Weight | a measure of the gravational force acting on an object. Weight is measured in Newtons... |
| Gravitation | a force that acts between all masses and causes them to attract one another. |