A
the straight line distance between two points
What is displacement?
the particles of an atom's nucleus that determine the atomic number
What are protons?
displacement divided by time
What is velocity?
These vectors act simultaneously upon the same point.
What are concurrent vectors?
The state in which matter exists depends upon the object's _?_
What is energy?
the pathway taken by a projectile
What is trajectory?
the maximum deviation from the mean, or the precision of a measuring instrument
What is tolerance?
These vectors act at angles that are not equal to 0 degrees or 90 degrees.
If you said "What are skewed vectors?" You just won 500 extra points!
A hydraulic device functions based on this Principle.
What is Pascal's Principle?
Name 3 things contribute to the RISE of water in a small tube.
What are adhesion, cohesion, and atmospheric pressure?
Any substance capable of flowing is a _?_
What is a fluid?
the attractive force between like molecules
What is cohesion?
the value of "g" in SI units, to three significant figures
What is 9.80?
the value of "g" in U.S. customary units, to three significant figures
What is 32.2?
any quantity that has both magnitude and direction
What is a vector?
the Principle that is credited with the fact that lateral pressure decreases as a fluid's velocity increases
What is Bernoulli's Principle?
If an object is hurled upward in a vacuum, the total time (from start to finish) it takes the object to return to its original level if the time of ascent is 3.0 s
What is 6.0 s?
A simple picture that summarizes the various vectors acting on one point
What is a vector diagram?
Under this condition, a feather and a coin will fall at the same rate of acceleration.
What is a vacuum?
This does NOT affect the pressure on the bottom of a container containing a liquid.
What is the shape of the container?
What is ductility?
the velocity of an object at its maximum height after being hurled upward from the ground
What is 0 ft/s?
A projectile's rate of FALLING is not dependent on this.
What is horizontal motion?
a laboratory device used to measure the pressure of a SAMPLE of gas
What is a manometer?
the SI units of acceleration
What are m/s2
the study of motion without regard to the force that caused that motion
What is kinematics?
What is a parabola?
the absolute temperature scale
What is the Kelvin scale?
This formula determines the displacement of a FALLING object if its initial velocity and time of descent are known.
What is
d=v_it+1/2g t^2
Pythagorean Theorem
What is
a^2+b^2=c^2
the SI unit for mass
What is a kilogram?
the SI unit for temperature
What is Kelvin?
the SI unit for an amount of a substance
What is a mole?
the SI unit for length
What is a meter?
the SI unit for time
What is a second?
the SI prefix for milli-
What is
10^-3
the SI prefix for nano-
What is
10^-9
the SI prefix for micro-
What is
10^-6
the SI prefix for kilo-
What is
10^3
the SI prefix for mega-
What is
10^6
This is gravity's effect on a certain mass. It can change if gravity changes.
What is weight?
The quantity of matter of an object. It does not change if gravity changes.
What is mass?
These two quantities must be stated in order to specify a velocity.
What are magnitude (or speed) and direction?
motion along a straight path
motion along a curved path
What is curvilinear motion?