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32 Cards in this Set
- Front
- Back
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fluid friction
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friction that occurs as an object moves through a fluid
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force
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a push or a pull
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friction
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the force that one surface exerts on another when the two surfaces rub against each other
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gravitational potential energy
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potential energy that depends on the height of an object
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gravity
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the force that pulls objects toward each other
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inertia
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the tendency of an object to resist and change in its motion
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instantaneous speed
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speed at any given moment
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international system of units
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a system of measurment based on multiples of ten and on established measures of mass length and time
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joule
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a unit of work equal to one newton-meter
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kinetic energy
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energy that an object has due to its motion
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law of conservation of energy
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energy cannot be created or destroyed
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la of conservation of momentum
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in the absencse of outside forces the total momentum of objects that interact does not change
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matter
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anything that has mass and takes up space
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metric system
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system of measurements based on the meter
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momentum
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the product of an object's mass and velocity
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motion
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the state in which one object's distance from another is changing
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net force
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the overall force on an object when all the individual forces acting on it are added together
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Newton
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a unit of measure that equals the force required to accelerate 1 kilogram of mass at 1m/sec
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nuclear energy
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the potential energy stored in the nucleus of an atom
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potential energy
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stored energy that results for the positioin or shape of an object
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power
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the rate at which work is done
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precision
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how often measurements taken are the same
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reference point
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a place or object used for a comparison to determine if an object is in motion
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rolling friction
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friction that occurs when an object rolls over a surface
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satellite
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any object that orbits around another in space
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sliding friction
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friction that occurs when one solid surface slides over another
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slope
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the steepness of a line on a graph. rise over run
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speed
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the distance an object travels per unit of time
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static friction
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friction that acts on objects that are not moving
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thermal energy
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the total potential and kinetic enery of the particles in an object
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unbalanced forces
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forces that produce a nonzero net force, which cahnges on objects motion
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velocity
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speed in any given direction
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