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Unit 05 24-25

Changes in Motion

TermDefinition
Balanced forces equal and opposite forces on an object that result in no change in position, direction, or motion; combined net force equals zero
Net force the combination of all forces acting on an object
Newton’s First Law of Motion an object will remain in its current state of motion or at rest unless an outside net force acts on it
Unbalanced forces unequal forces acting on an object that may result in a change in position, direction, or motion; combined net force does not equal zero (greater than zero)
Acceleration the change in the velocity vector in a time interval, divided by the time interval.
Force a vector quantity (a quantity that has both magnitude and direction).
Friction force that resists the sliding or rolling of one solid object over another.
Gravity the universal force of attraction acting between all matter.
Momentum "mass in motion." All objects have mass; so if an object is moving, then it has momentum
Motion change with time of the position or orientation of a body
Newtons a unit of force that will accelerate one kilogram of mass one meter per second squared.
Created by: LMS 7 Sci
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