| A | B |
|---|
| a-t graph for constant/uniform acceleration | picture |
| a-t graph for constant/uniform velocity | picture |
| acceleration | the rate of change of velocity |
| acceleration | a change in either the speed or direction of an object |
| acceleration due to gravity | acceleration due to gravity |
| component | one of the two or more vectors into which a given vector may be resolved |
| coefficient of friction | the ratio between the force of friction on an object and the normal force |
| concurrent vectors | two or more vectors acting from the same point |
| concurrent forces | two or more forces acting from the same point |
| d-t graph for constant/uniform acceleration | picture |
| d-t graph for constant/uniform velocity | picture |
| displacement | a change in position in a given direction |
| displacement | the straight line distance and direction between a starting and ending points |
| distance | the magnitude of the seperation two points |
| distance | the scalar sum of all of legs of jurney |
| force | the push or pull on an object |
| free fall | the term given to the motion of an unsupported object under the infulence of gravity |
| friction | the force that exists between two surfaces in contact |
| inertia | the property of matter that resists a changes in motion. |
| coefficient of kinetic friction | the coefficient of friction for surfaces moving over each other |
| coefficient of static friction | the coefficient of friction for surfaces that are not moving |
| mass | the amount of matter in an object; a measure of an objects ability to obey Newton's 2-nd Law |
| motion | occurs if an object changes its position |
| net force | the vector sum of the forces acting on an object |
| Newton's 2-nd law | "the law of motion showing the relationship between force, mass and acceleration" |
| Newton's 3-rd law | "the law of motion which states that if object A exerts a force on object B, then B exerts an equal and opposite force on A" |
| normal force | force that keeps two surfaces in contact; this force acts perpendicular to the surfaces |
| principle of action - reaction | Newton's 3-rd Law |
| speed | magnitude of velocity; ratio of distance over time |
| starting friction | the maximum frictional force encountered in moving an object |
| static friction | friction existing between stationary surfaces |
| v-t graph for constant/uniform acceleration | picture |
| v-t graph for constant/uniform velocity | picture |
| vector | a graphic representation of a vector quantity |
| vector | an arrow iin which he length represents the magnitude of a quantity and the arrowhead points in the direction of its orientation |
| vector quantity | a quantity that has both magnitude (size) and direction |
| resultant | the sum of two or more vectors |
| velocity | speed (rate of change of position) of an object in a straight line |
| weight | gravitational force on an object |
