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Phys: 1D Motion
TEKS P5.B and P5.C
| Term | Definition |
|---|---|
| Kinematics | the study of how things move |
| Displacement | a vector quantity which refers to an object's change in position from it's initial position |
| Speed | a scalar quantity that refers to the distance traveled per unit time |
| Distance | a scalar quantity that refers to the total length traveled |
| Velocity | a vector quantity that measures the rate of change of the position of an object |
| Magnitude | an absolute value describing quantity, not direction |
| Scalar | a physical quantity that has a magnitude only |
| Vector | a physical quantity that has both magnitude and direction |
| Instantaneous velocity | a vector quantity that refers to the velocity at any single point in time. |
| Average velocity | a vector quantity that refers to the total displacement of an object by the total time in motion |
| Acceleration | a vector quantity that measures the rate of change in velocity |
| Graphical Vector Addition | a method of combining two or more vectors into a single vector, called a resultant, by drawing them on graph paper and using the head-to-tail |
| Component vector | a part of a resultant vector along an specific axis |
| Resultant vector | a single vector that has the same effect as multiple vectors combined |
| Frame of reference | the perspective from which motion is observed |
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