Vocabulary


 * Vocabulary **


 * acceleration**
 * Definition:** The change in speed over time
 * Context: **You can calculate the Pit Crew's acceleration during the first 10 seconds of the race with the information you have about their climb.


 * force **
 * Definition: **Strength or energy exerted; cause of motion or change
 * Context: **Both teams know that getting their vehicle up the hill will require a great deal of force.


 * inertia **
 * Definition: **The tendency of an object to resist any change in its motion **Context:** It's not moving and, because of inertia, it will take an outside force to make it move.


 * propel **
 * Definition: **To push or drive forward or onward by, or as if by, means of a force that imparts motion
 * Context: **If their vehicle weighs less than the other team's, the Jet Jocks' engine won't need to exert as much force to propel their buggy up the incline.


 * <span style="color: black; font-family: 'Verdana','sans-serif'; font-size: 9.5pt;">reference point **
 * <span style="color: black; font-family: 'Verdana','sans-serif'; font-size: 9.5pt;">Definition: **<span style="color: black; font-family: 'Verdana','sans-serif'; font-size: 9.5pt;">A fixed point of comparison
 * <span style="color: black; font-family: 'Verdana','sans-serif'; font-size: 9.5pt; line-height: 105%;">Context: **<span style="color: black; font-family: 'Verdana','sans-serif'; font-size: 9.5pt; line-height: 105%;">Each vehicle will attempt the climb by itself, so the starting line serves as a reference point, or fixed point of comparison.