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# Force and Momentum

### Physical Science

TermDefinition
Acceleration increase in the rate or speed of something.
Displacement Distance is a scalar quantity. Displacement is an object's change in position, only measuring from its starting position to the final position
Speed (Distance x Time) Speed is the distance traveled per unit of time. It is how fast an object is moving
Mass Mass is both a property of a physical body and a measure of its resistance to acceleration
Inertia a property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force.
Average Speed (Total distant x Total time) The average speed of an object is the total distance traveled by the object divided by the elapsed time to cover that distance
Momentum the quantity of motion of a moving body, measured as a product of its mass and velocity.
Velocity the speed of something in a given direction.
Newton's 1st law The laws are: (1) Every object moves in a straight line unless acted upon by a force.
Newton's 2nd law 2) The acceleration of an object is directly proportional to the net force exerted and inversely proportional to the object's mass.
Newton's 3rd law (3) For every action, there is an equal and opposite reaction.
POPULATION COUNT
Biosphere the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.
Habitat the natural home or environment of an animal, plant, or other organism.
Carrying Capacity the number of people, other living organisms, or crops that a region can support without environmental degradation.
Immigration the action of coming to live permanently in a foreign country.
Emigration the act of leaving one's own country to settle permanently in another; moving abroad.
Symbiosis interaction between two different organisms living in close physical association, typically to the advantage of both.
Demographic relating to the structure of populations.
Limiting Factors A limiting factor is anything that constrains a population's size and slows or stops it from growing
Extinction the state or process of a species, family, or larger group being or becoming extinct.
Density the degree of compactness of a substance.
___________________________________________________________________ ______________________________________________________________________
Aerodynamics The branch of mechanics that deals with the motion of gases.
Friction The resistant when a body is moved in contact with another.
Newtons Unit Of Measure Any division of quantity accepted as a standard of measurement or exchange
Weight The vertical force exerted by a mass as a result of gravity.
Conservation Of Momentum the principle that the total linear momentum in a closed system is constant and is not affected by processes occurring inside the system
Force (physics) the influence that produces a change in a physical quantity
Created by: mrflimflam

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