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Amusement Park Physics

Top-Ranked Words with Sample Sentences from the Book

instructions
accord
3 uses
1  —3 uses as in:
according to, or in accord with
According to carousel legend, the lead horse of any carousel is always the biggest, most decorative horse.†
according to = as stated by; or in agreement with
DefinitionGenerally this sense of accord means:
in keeping with; or in agreement/harmony/unity with
This sense of accord is often seen in the form according to or accordingly where it can take on more specific meanings. For example:
  • "According to Kim, ..." — as stated by
  • "To each according to her ability." — based upon
  • "Points are scored according to how well they perform." — depending upon
  • "The dose is calculated according to body weight." — in proportion to
  • "We got a flat tire. Accordingly, I pulled to the side of the road." — because of what was just said; or as a result
Word Statistics
Book3 uses
Library53 uses in 10 avg bks
1st useChapter 2
Web Links
approximate
2 uses
Drill or punch two holes (approximately one-quarter inch in diameter) on opposite sides of the cup .†
approximately = about (but not exactly)
DefinitionGenerally approximate means:
almost, but not exact; or similar
Word Statistics
Book2 uses
Library10 uses in 10 avg bks
SAT®*top 1000
1st useChapter 5
Web Links
collide
12 uses
Colliding Cars — Predict the outcome of bumper car collisions.†
colliding = crashing together with violent impact; or coming into conflict
DefinitionGenerally collide means:
crash together with violent impact; or come into conflict
Word Statistics
Book12 uses
Library15 uses in 10 avg bks
1st useChapter 3
Web Links
constant
2 uses
The history of this ride reflects a constant search for greater and more death-defying thrills.†
constant = unchanging, continuous, or happening repeatedly
Word Statistics
Book2 uses
Library64 uses in 10 avg bks
SAT®*top 1000
1st useChapter 1
Web Links
criteria
1 use
These usually require that riders meet certain criteria relating to age, height, and weight, or warn them not to ride if they have certain medical conditions.†
criteria = reference points against which things can be evaluated
Word Statistics
Book1 use
Library2 uses in 10 avg bks
SAT®*top 1000
1st useChapter 7
Web Links
direct
1 use
1  —1 use as in:
directed her question to
The motion of an object in a circle requires that there be a force directed toward the center of the circle (sometimes called a "centripetal force").†
directed = aimed or focused
DefinitionGenerally this sense of direct means:
to indicate direction; or to cause movement or focus in a direction or towards an object
The exact meaning of this sense of direct is subject to its context. For example:
  • "intentionally directed fire at unarmed civilians" — aimed a gun
  • "directed the question to her" — aimed a question
  • "directed her north" — pointed in a particular direction
  • "directed attention to the 3rd paragraph" — focused attention on a particular object
  • "The sound of her voice directed him to the kitchen." — guided or gave directions to someone to help them move to a particular place
  • "She directed him to the airport." — gave directions to send someone to a particular place
  • "She directed the boat north." — steered it
  • "directed the letter to" — send a letter to a particular person by putting a name and address on it
Word Statistics
Book1 use
Library36 uses in 10 avg bks
SAT®*top 100
1st useChapter 6
Web Links
distinct
1 use
Free-fall rides are really made up of three distinct parts: the ride to the top, the momentary suspension, and the downward plunge.†
distinct = clear, easily noticed, and/or identifiable as different or separate
Word Statistics
Book1 use
Library30 uses in 10 avg bks
SAT®*top 500
1st useChapter 5
Web Links
estimate
1 use
It estimates that more than 270 million people visit amusement parks each year, and that 7,000 people out of those 270 million go to emergency rooms for injuries they receive on amusement park rides—that's only 0.†
estimates = rough calculations or guesses of values, quantities, or extents
DefinitionGenerally estimate means:
rough calculation or judgment
Word Statistics
Book1 use
Library21 uses in 10 avg bks
SAT®*top 1000
1st useChapter 7
Web Links
evoke
1 use
Many pendulum rides take the form of large boats, and it's probably no coincidence that a number of people find this ride evokes in them the same sense of seasickness that a real boat produces.†
evokes = calls forth or causes
DefinitionGenerally evoke means:
to call forth or cause — typically to arouse an emotion or bring a memory to mind
Word Statistics
Book1 use
Library4 uses in 10 avg bks
SAT®*top 500
1st useChapter 6
Web Links
external
3 uses
This well-known law states that bodies in motion tend to stay in motion, unless they are acted on by an external force.†
external = outside
DefinitionGenerally external means:
outside
in various senses, including:
  • coming from or existing outside a place, organization or thing — as in "external trade"
  • forming or relating to an outside boundary — as in "external walls"
  • on the surface or superficial as contrasted to something that is deep or complete — as in "external appearances"
Word Statistics
Book3 uses
Library6 uses in 10 avg bks
SAT®*top 1000
1st useChapter 4
Web Links
however
1 use
1  —1 use as in:
However, complications may...
However, when the cup is in free fall, the water will not leak, making it seem as though the water is not experiencing the downward pull of gravity.†
however = a word used to connect contrasting ideas as when using though, in spite of that, in contrast, nevertheless, etc.
DefinitionGenerally this sense of however means:
though (or another expression that connects contrasting ideas)

(Based on idea 1 we might not expect idea 2, but this is a way of saying that even though idea 1 exists, we still have idea 2.  Synonyms include in spite of that, , nevertheless, nonetheless, on the other hand, in contrastand but.)
Word Statistics
Book1 use
Library61 uses in 10 avg bks
SAT®*top 100
1st useChapter 5
Web Links
inertia
3 uses
When bumper cars collide, the drivers feel a change in their motion and become aware of their inertia.†
inertia = a disposition to continue in the same manner — such as sit still and do nothing or continue moving in a particular direction
Word Statistics
Book3 uses
Library1 use in 10 avg bks
1st useChapter 3
Web Links
kinetic energy
3 uses
The conversion of potential energy to kinetic energy is what drives the roller coaster, and all of the kinetic energy you need for the ride is present once the coaster descends the first hill... Once you're underway, different types of wheels help keep the ride smooth.
kinetic energy = the energy a moving object has because of its motion
Word Statistics
Book3 uses
Library1 use in 10 avg bks
1st useChapter 1
Web Links
phenomenon
1 use
If you want to observe the free-fall phenomenon in action, try the following demonstration in your home.†
phenomenon = something that exists or happened — often of special interest
DefinitionGenerally phenomenon means:
something that exists or happened — especially something of special interest — sometimes someone or something that is extraordinary
Word Statistics
Book1 use
Library8 uses in 10 avg bks
SAT®*top 100
1st useChapter 5
Web Links
physics
7 uses
Amusement Park Physics — What are the forces behind the fun?†
physics = the science of matter and energy and their interactions
Word Statistics
Book7 uses
Library9 uses in 10 avg bks
1st useIntr.
Web Links
prevent
2 uses
Both of these groups report that the main reason for deaths and injuries on amusement park rides is preventable error.†
preventable = able to be stopped from happening
DefinitionGenerally prevent means:
to stop (something from happening)
Word Statistics
Book2 uses
Library38 uses in 10 avg bks
1st useChapter 7
Web Links
simulate
2 uses
On some carousels, the horses go up and down in a galloping motion simulating what it might be like to ride a real horse.†
simulating = making an imitation or representation of
DefinitionGenerally simulate means:
make an imitation or representation of
Word Statistics
Book2 uses
Library8 uses in 10 avg bks
SAT®*top 1000
1st useChapter 2
Web Links
technique
1 use
Sand was used to help slow down the sled at the end of the ride to keep it from crashing, a technique based on the principle of friction.†
technique = way of doing something
DefinitionGenerally technique means:
a way of doing something
Word Statistics
Book1 use
Library14 uses in 10 avg bks
SAT®*top 1000
1st useChapter 1
theme
1 use
1  —1 use as in:
theme of the novel
In 1955, the nation's first theme park opened: Disneyland.†
theme park = an amusement park with one or more basic underlying ideas — such as the Magic Kingdom
DefinitionGenerally this sense of theme means:
a basic idea that underlies what is being said or done — especially in a literary or artistic work
Word Statistics
Book1 use
Library5 uses in 10 avg bks
SAT®*top 2000
1st useChapter 1
Web Links
therefore
1 use
In brief, it says that the greater the mass of an object, the more it resists being moved and therefore the smaller its acceleration will be.†
therefore = for that reason
DefinitionGenerally therefore means:
for that reason (what follows is so because of what was just said)
Word Statistics
Book1 use
Library24 uses in 10 avg bks
SAT®*top 1000
1st useChapter 4
Web Links
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