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18 Cards in this Set
- Front
- Back
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The branch of Physics that deals with forces and the way they produce and change motion .
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Mechanics
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The total lenght of a path that an object travels.
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Distance
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The change in the postion of an object desribed by a vector that begins at the initial position of the object and ends at its final position.
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Displacment
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The distance that the object moves in a unit of time.
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Speed
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The motion of an object traveling in a circular speed at a constant speed.
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Uniform motion
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The time rate of change of its displacement. A vector quality having direction and magnatitude.
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Velocity
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An object's change of position along a straight line.
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Linear motion
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The velocity of an object at any particular instant in time.
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Instantaneous velocity
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The force between the mass of Earth and the mass of any object.
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Gravity
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The falling motion of an object acted upon only by the force of gravity.
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Free fall
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The single force that is equivalent to the combined effect of these concurrent forces.
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Resultant
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The resistance of an object to a change in its motion
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Inertia
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Vector sum of the concurrent forces acting on an objct.
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Net force
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An object moving uniformly in a circular path which is an acceleration directed toward the center of the cicle.
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Centripetal acceleration
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The force needed to keep an object moving in a circular path.
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Centripetal force
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The attractive force between two objects due to their masses.
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Gravitational force
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The force pressing the two contacting surfaces together.
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Normal force
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The product of an object's mass and velocity and is a vector quantiy.
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Momentum
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