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physics

scicence physic voabulary

wordDefinition
acceleration change in velocity divided by the amount of time needed for the change to take place
balanced force describes forces that are equal but opposite in direction
chemical energy by the law of the convertion of energy, it must under go a change equal and oppsite to the change of heat energy in a reaction
displacement measures the distance and direction from a strating point to a ending point
distance the extent of space between two objects or places
electriacl energy energy made avaliable by the flow through conductors
electromagnetic waves transverse wave that can travel through matter or space and are produced by motion of electrically charged particals
force a push or pull
friction any force that resiets motion
gravity the natural force of attraction exerted by a celestial body or natural force of attraction between any two massive bodies
kinetic energy the energy an object has becuase of its motion
mechanical wave a type of wave that can only travel through matter
newton's 1st law evry object moves in a straight line unless acted upon by a force
newton's 2nd law the acceleration ogf an object is directly proportional to the net force exerted and inversely porportional to the object's mass
newton's 3rd law for every action there is a equal and oppsite reaction
potentional energy the energy of a particale or system of particals derived from position, or condtion, rather than motion
speed distance traveled divided by the time needed to travel that distance
thermal energy energy which is charateristic for thermal neutrons at room temperature
unbalanced force describes unequal forces acting on an object
velocity speed and direction of a moving body
Created by: midana on 2007-09-30



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