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Ch.13 Phy.Science

Motion

QuestionAnswer
motion change in position relative to some fixed object or place;
speed distance traveled per unit of time;
average speed total distance traveled divided by the time it takes to travel that distance;
velocity speed and direction;
acceleration rate of change in velocity over time;
momentum a property of all moving objects;
law of conservation of momentum total momentum of any isolated system always remains the same;
inertia tendency of an object to stay at rest or in motion;
newton SI unit of force;
action force force acting in one direction;
reaction force force acting in the opposite direction;
Created by: cpasteris
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