# Shared Flashcard Set

## Details

Forces & Laws of Motion Terms
Ch.4 Key Terms
13
Physics
Not Applicable
04/26/2004

## Additional Physics Flashcards

Term
 Force
Definition
 The cause of an acceleration, or the change in an object's velocity.
Term
 Contact Force
Definition
 Force that arises from the physical contact of two objects.
Term
 Field Force
Definition
 Force that can exist between objects, even in the absence of physical contact between the objects.
Term
 Force Diagram
Definition
 A diagram of the objects involved in a situation and the forces exerted on ther objects.
Term
 Inertia
Definition
 The tendency of an object to maintain its state of motion.
Term
 Net External Force
Definition
 The total force resulting from a combination of external forces on an object; sometimes called the resultant force.
Term
 Equilibrium
Definition
 The state in which there is no change in a body's motion.
Term
 Action-Reaction Pair
Definition
 A pair of simultaneous equal but opposite forces resulting from the interaction of two objects.
Term
 Weight
Definition
 The magnitude of the force of gravity acting on an object.
Term
 Normal Force
Definition
 A force exerted by one object on another in a direction perpendicular to the surface or contact.
Term
 Static Friction
Definition
 The resistive force that opposes the relative motion of two contacting surfaces that are at rest with respect to one another.
Term
 Kinetic Friction
Definition
 The resistive force that oposes the relative motion of two contacting surfaces that are moving past one another.
Term
 Coefficent Friction
Definition
 The ratio of the force of friction to the normal force acting between two objects.
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