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13 Cards in this Set
- Front
- Back
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force
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the cause of an acceleration, or the change in an object's velocity
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contact force
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force that arises from the physical contact of two objects
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field force
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force that can exist between objects, even in the absence of physical contact between the objects
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force diagram
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a diagram of the objects involved in a situation and the forces exerted on the objects
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inertia
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the tendency of an object to maintain its state of motion
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net external force
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the total force resulting from a combination of external forces on an object; sometimes called the resultant force
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equilibrium
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the state in which there is no change in a body's motion
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action-reaction pair
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a pair of simultaneous equal but opposite forces resulting from the interaction of two objects
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weight
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the magnitude of the force of gravity acting on an object
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normal force
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a force exerted by one object on another in a direction perpendicular to the surface of contact
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static friction
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the resistive force that opposes the relative motion of two contacting surfaces that are at rest with respect to one another
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kinetic friction
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the resistive force that opposes the relative motion of two contacting surfaces that are moving past one another
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coefficient of friction
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the ratio of the force of friction to the normal force acting between two objects
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