What is the difference between a scalar and vector quantity?
A scalar quantity has magnitude but no direction however a vector quantity has a magnitude and a direction.
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Name examples of vector quantities.
Displacement, Velocity, Acceleration, Force, Weight and Momentum.
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Name examples of scalar quantities.
Distance, Speed, Time, Power, Energy and Mass.
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What is velocity?
A speed in a stated direction.
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What is the equation for working out speed?
Speed = Distance ÷ Time
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What is the equation for distance travelled?
Distance travelled = average speed x time
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What are the rules for Distance/Time graphs?
A horizontal line shows that the object has stopped. A straight line shows speed is constant. A curved line show the speed is changing.
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What are the rules for Velocity/Time graphs?
A horizontal line shows the object is at a constant speed. An upward line shows that the speed is acceleratiing. A downward line shows that the speed is decelerating.
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Other cards in this set
Card 2
Front
Name examples of vector quantities.
Back
Displacement, Velocity, Acceleration, Force, Weight and Momentum.
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