Glossary
A
acceleration
................................... air resistance ................................... algebra ................................... algebraic ................................... |
The rate of change of velocity.
.................................................................................................................................. A slowing force between an object and the air it moves through. .................................................................................................................................. General expression of mathematics using letters to represent variables and constants. .......................................................................................................................................... In the form of algebra. .................................................................................................................................. |
C
cartesian equations
.................................. |
Cartesian equations are named after Rene Descartes, who suggested the method of identifying a point in space in terms of its x,y,z coordinates.
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F
Free Fall
.................................. |
Fall under the influence of gravity, no propulsive force.
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G
general forms
................................. gyroscope ................................. |
Expressed generally, without specific values.
.................................................................................................................................... Spinning wheel which resists changes in orientation. .................................................................................................................................... |
H
horizontal displacement
................................. horizontal motion ................................. |
A change in position in the plane of the horizon. ..................................................................................................................................... A change in horizontal displacement. ..................................................................................................................................... |
I
impact site
.................................. inversely proportional .................................. |
The point at which an object lands.
.................................................................................................................................... Decreases as the reference increases. .................................................................................................................................... |
L
look-up tables
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Tables of values calculated or recorded for many individuals.
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P
parabola
...................................... parabolic ...................................... parabolic path ...................................... parameter ...................................... parametric ...................................... plane ...................................... point mass ..................................... projectile .................................... proportional .................................... propulsion .................................... |
The form of a graph in which the vertical increment changes as the square of the horizontal increment.
.................................................................................................................................... Having the shape of a parabola. .................................................................................................................................... A path which follows a parabola. .................................................................................................................................... Input variable or constant. .................................................................................................................................... Of parameters. .................................................................................................................................... A flat surface points in space corresponding to a flat surface. .................................................................................................................................... Mathematical simplification in which all the mass of a body is considered to be at a single point. .................................................................................................................................... An object falling under gravity. .................................................................................................................................... Increases as the reference increases. .................................................................................................................................... A pushing force. .................................................................................................................................... |
R
range
............................. |
Maximum horizontal displacement.
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T
trajectory
............................... |
Path through space.
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V
variables
................................... velocity ................................... velocities ................................... vertical displacement ................................... vertical motion .................................. |
Changeable inputs.
..................................................................................................................................... Rate of change of an object's position. ..................................................................................................................................... Plural of velocity. ..................................................................................................................................... A change in position in a plane at right angles to the horizon. ..................................................................................................................................... A change in vertical displacement. ..................................................................................................................................... |