Physics P2a Flashcards

Terms Definitions
Morning
A.M.
Au
gold
scale
(blank)
solid
pysical features
Wrist Flexion ROM
0-80
Mercury
Highly eccentric orbit
Calf
calf raise, toe press
all objects emit
electromagnetic waves
transformer
an electric device consisting essentially of two or more windings wound on the same core
Quads
squats, leg extension, wall sits
What joins bones to bones?
LIGAMENTS
element
a fundamental material consisting of only one type of atom
Normal
A line perpendicular to a surface.
typical time for monitoring equipment performance
annually
Life Science
the study of living organisms
Meterstick
a tool used to measure length
this would prevent the electric current from flowing
insulator
thermometer
an instrument used to measure temperature, workes beacue liquids expand when they are heated
Force
strength or power exerted upon an object
what materials are transluscent?
thin paper, frosted glass
Can we convert mechanical energy into thermal energy?
Yes
an orderly method of gaining, organizing, and applying new knowledge
Scientific method
radioactivity
the process by which an unstable nucleus gives off nuclear radiation
non-point source pollution
comes from multiple locations (liter)
volume
amount of space occupied by a object.
gravity
the force of attraction that exists between any two objects
filtrate
the liquid that goes through a filter
Functions of Lateral Ligaments CF
Prevents inversion (calcanous)
energy levels
the possible energies that electrons and an atom can have
Compression decreases the ____ range to a range that the ___ & human ____ can handle.
Dynamic, display, vision
natural frequency
a frequency at which an elastic object, once energized, will vibrate. minimum energy is required to continue vibration at that frequency. also called resonant frequency
newton
A unit of measure that equals the force required to accelerate 1 kilogram of mass at 1 meter per second per second
in photodisintegration the nucleus responds by
emitting a nuclear fragment
physical properties
characteristics of matter that can be observed without changing the substance.
molecule
the smallest unit of a substance that keeps all of the physical and chemical properties of that substance
Mechanical Efficiency
a quantity, usually expressed as a percentage, that measures the ratio of work output to work input, it can be calculated by dividing work output by work input.
What is the surface wind direction in the northwest sector of a mature midlatitude cyclone?
northwest
freezing
the way a liquid changes to a solid
heat engine
a machine that transforms heat into mechanical energy, or work
erosion
the picking up or physical removal of rock particles by an agent such as running water or glaciers
GENERAL TYPES OF CHEMICAL REACTIONS
synthesis reactions, decomposition reactions, single replacement reactions, double replacement reactions, and combustion reactions
beta particle
an electron or positron emitted from an atomic nucleus in a certain type of radioactive decay.
the statement that the pressure in a fluid decreases asw the speed of the fluid increases
BERROULLI'S PRINCPLE
Beat
the phase of the two waves changes in a way that makes the loudness of the sound seem to oscillate
What is diffuse reflection?
Diffuse reflection is the reflection of light from a rough surface.
convex mirror
a mirror that is curved outward like the back of a spoon
wheel and axle
A simple macheine consisting of two circular objects of different sizes.
IP Flexion Moving arm
Dorsal midline of the distal phalanx
Populated
a group of organism that are of the same kind and that can live in the same area
hygrometer
Measures the water in the air which is called hummidity in percent north, south, east, west.
A current has only one loop to flow through in a?
parallel
heat of vaporization
the amount of energy required for the liquid at its boiling point to become a gas.
Increase in Spacial Pulse Length...
none of the above (multiple choice)
electromagnetic induction
the process of creating a current in a circuit by changing a magnetic field
What form(s) of energy are produced by glow sticks?
chemical and radiant
energy conversion
a change from one form of energy to another
Which of the following is NOT a physical property of matter?a)ductility b)colorc)Thermal conductivityd)Reactivity to water
d. reactivity to water
the number of molecules in 1 mole of a substance
Avogadro's numvber
What is the Doppler Effect?
An observed change in frequency of wave when source of observer moves.
what does less voltage ripple result in
constant power, greater quality and quantity
What is the net force of a tug of war game if one side pulls with 50 newton and the other side pulls with 20 newton?
30 newtons
SCREW---EXAMPLES: key lock in a door, screws, jar lid, kitchen stool seat
an inclined plane wrapped around a pole which holds things together
When you drop a nail, a piece of paper, and a foam ball, which will hit the ground first (in the absence of air resistance)?
All will hit at the same time
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