2125983
Description
Flashcards by Alex Maraio, updated more than 1 year ago
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Created by Alex Maraio
about 9 years ago
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| Question | Answer |
| Define Scalar Quantitiy | It is one that has A magnitude but not a direction |
| Define Vector Quantitiy | It is one that has a Magnitude and Direction |
| Define Speed | It is Distance per unit time |
| Define Displacement | It is distance moved in a stated direction |
| Define Velocity | It is the displacement per unit time, or change in displacement/time |
| Define Acceleration | Is the rate of change of Velocity |
| Define The Newton | It is the force required to accelerate a 1 Kg object at 1 \(MS^-2\) |
| Define The Moment of a Force | It is the force multiplied by the perpendicular distance from a stated point (or pivot) |
| Define Couple | Is a pair of equal and parallel but opposite forces, which tend to produce rotation only |
| Define Density | It is Mass per unit Volume |
| Define Pressure | It is force per unit area |
| Define The Joule | It is the work done when a force of 1 Newton moves it's point of application 1 Metre in the direction of the force |
| Define The Conservation of Energy | It is in any closed system, energy may be converted from one form to another but cannot be created or destroyed |
| Define Energy | Is is the stored ability to do work |
| Define Gravitational Potential Energy | It is the energy stored in an object due to it's position in a gravitational field |
| Define Kinetic Energy | It is the work an object can do because of it's speed |
| Define Power | Power is the rate of doing work |
| Define the Watt | The Watt is equal to one Joule per Second |
| Define Stress | Stress is force per unit cross-sectional area |
| Define Strain | Is Extension per unit length |
| What does a Stress/Strain graph look like for a: Ductile Material | |
| What does a Stress/Strain graph look like for a: Brittle Material | |
| What does a Stress/Strain graph look like for a: Polymeric Material |
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