Key terms

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  • Created by: Bethany
  • Created on: 17-03-13 18:11
Has magnitude but not direction.
Scalar
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Has magnitude and direction.
Vector
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Distance traveled per unit time (scalar).
Speed
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Movement in a stated direction.
Displacement
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Rate of change of velocity.
Acceleration
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Force that causes a mass of 1 kg to move 1 meter per second every second.
Newton
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Gravitational force on the body.
Weight
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Pair of equal and parallel but opposite forces, which tend to produce rotation only.
Couple
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Force perpendicular to the ground.
Normal
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Force x perpendicular distance from stated point.
Moment
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Mass per unit volume.
Density
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Force per unit area.
Pressure
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Work done when a force of 1 newton moves its point of application 1 meter in the direction of the force.
Joule
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Stored ability to do work.
Energy
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Situation in a closed system when no energy is created or destroyed only converted into another form.
Conservation of Energy
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Energy stored in an object by virtue of its position in a gravitational field.
GPE
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The work an object can do by virtue of its speed.
KE
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The rate of doing work.
Power
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Equal to one joule per second.
Watt
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Force per unit cross-sectional area.
Stress
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Extension per unit length.
Strain
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Material that can be drawn out into wires (ductile).
Copper
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Material that has very little elastic potential.
Concrete.
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Other cards in this set

Card 2

Front

Has magnitude and direction.

Back

Vector

Card 3

Front

Distance traveled per unit time (scalar).

Back

Preview of the front of card 3

Card 4

Front

Movement in a stated direction.

Back

Preview of the front of card 4

Card 5

Front

Rate of change of velocity.

Back

Preview of the front of card 5
View more cards

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