 | Term | Definition |
| |
acceleration |
rate of change in velocity |
| |
motion |
change in position relative to a frame of reference |
| |
force |
a push or a pull |
| |
friction |
force that opposes motion |
| |
velocity |
speed in a given direction |
| |
speed |
distance traveled per unit of time |
| |
inertia |
an objects tendency to resist a change in motion |
| |
gravity |
force of attraction between all objects in the universe |
| |
weight |
measure of the pull of gravity on an object |
| |
projectile |
any object that is thrown |
| |
frame of reference |
object or point from which motion is determined |
| |
earth |
most common frame of reference |
| |
parabola |
distance time graph for acceleration is always a curved line, or ____ |
| |
Momentum= |
mass x velocity |
| |
centripetal acceleration |
acceleration directed towards the center of a circular path |
| |
9.8 |
near the earths surface, gravitational acceleration is ___m/s/s |
| |
fluid |
a shark swimming demonstrates ____ friction. |
| |
unbalanced |
for every force, there is an ______ force |
| |
zero |
when terminal velocity is reaches, the acceleration of an object is |
| |
constant |
when the force of inertia matches the downward pull of gravity, the object is moving at ___ velocity |
| |
weight= |
mass x acceleration due to gravity |
| |
force= |
mass x acceleration |
| |
balanced |
______ forces are opposite and equal |
| |
curve |
the path of a projectile is a _________ |
| |
straight |
a _______ line means zero acceleration |
| |
forces |
a paper on a desk has balanced _____ acting on it |
| |
add |
two forces in the same direction ____ |
| |
acceleration= |
change in velocity/time |
| |
distance= |
rate x time |
| |
Density= |
mass / volume |
| |
density |
mass per unit of volume |
| |
volume |
amount of space an object takes up |
| |
unbalanced |
_____ forces are not equal |
| |
1 |
newtons law __- inertia, an object at rest will stay at rest and an object in motion will stay in motion unless acted on by an unbalanced force |
| |
2 |
newtons law __ force=mass x acceleration |
| |
3 |
newtons law __for every action there is an equal and opposite reaction |
| |
yes |
if you are at constant speed on a ferris wheel, are you being accelerated? |
| |
Celsius |
unit of temperature |
| |
data |
information collected from observations |
| |
hypothesis |
prediction based on patterns and observations |
| |
experimental setup |
2 expiremental tests where all factors are the same but he one being tested |
| |
meter |
length unit |
