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13 Cards in this Set
- Front
- Back
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What are Vectors? |
They are determined by their magnitude and direction |
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Examples of vectors |
Displacment Velocity Force Acceleeration Weight Momentum Impulse |
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What are scalars |
They are determined by their magnitude |
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Examples of scalars |
Distance Speed Time Mass Energy Area Temperature Volumr Density Resistance Charge Frequency Wavelength |
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What is the difference between distance and displacement |
Distance: total length of journey
Displacement: shortest distance of journey from start to finish |
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What is instantaneous speed |
Speed at a certain time |
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What is velocity |
Vector Speed in a given direction along a straight line. |
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What is speed? |
Scalar Defined as diatance travelled per unit time |
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Calculate displacment |
Pythagoras then sohcahtoa Tan feta=opp /adj Feta= tan-1 opp adj Give answer in digits |
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What is acceleration |
It is the change of velocity per unit time |
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Friction |
Force which acts between surfaces when they rub together |
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Air resistance |
Force which acts against an object travelling thru air |
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Tension |
Pulling force of string/rope/cable/string |
