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science

QuestionAnswer
motion an object's change in position reltive to a reference point
speed the distance traveled divided by the time interval during which the motion occurred
velocity the speed of an object in a particular direction
acceleration the rate at which velocity changes over time an object accelerates if its speed direction or both changes
force a push or pull extorted on an object in order to change the motion of the object force has size and direction
newton the si unit for the force symbol N
net force the combination of all of the forces acting on an object
friction a force that opposes motion between two surfaces that are in contact
gravity a force of attraction between objects that is due to their masses
weight a measurement of the gravitational force extorted on an object its value can change with the location of the object in the universe
mass a measurement of the amount of the matter in an object
Created by: blightning32
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