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11 Cards in this Set
- Front
- Back
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Work done |
The work done by a force is the product of the force and the distance moved in the direction of the force |
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Joule |
1 joule is the amount of energy transferred when a force of 1 Newton moves a distance of 1 metre in the direction of the force |
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Conservation of energy |
Energy cannot be created or destroyed, only transferred to other forms |
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Power |
Rate of work done |
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Distance |
A scalar quantity which measure the total number of length units covered along a path taken |
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Speed |
A scalar quantity, calculated by distance/time |
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Displacement |
A vector quantity which measures the distance travelled in a particular direction |
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Instantaneous speed |
Speed of an object measured over a very short time |
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Velocity |
A vector quantity which measure the rate of change of displacement |
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Instantaneous velocity |
The velocity of an object measured over a very short time |
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Acceleration |
A vector quantity measured in ms-² which measures the rate of change in velocity |
