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22 Cards in this Set
- Front
- Back
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push or pull exerted on an object
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Force
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a unit of measure that equals the force required to accelerate 1 kilogram of mass at 1 meter per second per second
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Newton
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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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Net force
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forces that produce a nonzero net force, which changes an object's motion
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Unbalanced force
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equal forces acting on an object in opposite directions
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balanced forces
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the force that one surface exerts on another
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friction
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friction that occurs when one solid surface slides over another
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sliding friction
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friction that occurs when an object rolls over a surface
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rolling friction
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friction that occurs as an object moves through a fluid
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fluid friction
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friction that acts on objects that are not moving
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static friction
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the force that pulls objects toward each other
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Gravity
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The force of gravity on an object at the surface of a planet
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Weight
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the motion of a falling object when the only force acting on it is gravity
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free fall
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the the fluid friction experienced by objects falling through the air
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air resistance
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the greatest velocity a falling object can achieve
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terminal velocity
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an object that is thrown
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projectile
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the tendency of an object to resist any change in its motion
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inertia
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the product of an object's mass and velocity
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momentum
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the rule that energy cannot be created nor destroyed
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law of conservation of momentum
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the amount of matter in an object
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mass
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any object that orbits around another object in space
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satellite
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a force that causes an object to move in a circle
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centripetal force
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