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EA Physics Unit 3
Two-Dimensional Motion
| Question | Answer |
|---|---|
| magnitude | The amount of something (without direction). How big, fast, long, strong something is, etc |
| resultant | A vector that represents the sum (addition) of two or more vectors. Theses are drawn "start to finish". |
| vector | A quantity that has magnitude and direction. Can be represented with an arrow. |
| scalar | A physical quantity that has magnitude only. |
| pythagorean theorem | An equation used to find the length of one side of a right triangle |
| tangent | opposite/adjacent |
| cosine | adjacent/hypotenuse |
| sine | opposite/hypotenuse |
| function | A predefined formula that performs a specific calculation using the inputs you specify. (Takes a number (input) and spits out an answer (output)) |
| component | The part of a vector that lines up along one direction of a coordinate system. |
| perpendicular | At an angle of 90˚ to a given line, plane, or surface. |
| vector resolution | The process of determining the length and direction of a vector given its components or parts. |
| projectile | An object that is thrown or launched into the air. |
| trajectory | The path of a projectile (parabolic when no air resistance) |
| range | The horizontal distance a projectile travels in the air. |
| constant | A value that does not change |
| horizontal | Side to side, x, left/right |
| vertical | Up and down, y |
| zero | The initial vertical velocity value for a horizontally launched projectile. |
Created by:
ehansen_eak12
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