Flashcards
CCEA Physics A2 Unit 1 Definitions
Flashcards do conjunto (13)
- 1Momentuma property given to a mass that is moving;
the product of a body's mass and velocity - 2Principle of conservation of momentumIf no external forces are acting, the total momentum of a system of colliding bodies is constant.
- 3ElasticA collision in which KE is conserved
- 4InelasticA collision in which KE is not conserved
- 5Boyle's LawFixed mass of gas at constant temp:
volume is inversely proportional to pressure - 6Charles' LawFixed mass of gas at constant pressure:
volume is directly proportional to absolute temp. - 7Pressure LawFixed mass of gas with constant volume:
pressure directly proportional to absolute temperature - 8Specific Heat CapacityThe quantity of heat energy required to raise 1kg of a material by 1K
- 9Simple Harmonic MotionAny object that is displaced from a stable equilibrium will oscillate.
The acceleration of this object will be:
- In the direction of the equilibrium
- proportional to the displacement - 10Half LifeThe time taken for the activity of a material to fall to half its original value
- 11Binding EnergyEnergy that holds a nucleus together
- 12Binding energy per nucleonaverage energy required to remove a single neutron from a nucleus
- 13Critical SizeThe size of fuel assembly required which is just capable of sustaining a chain reaction within it.
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- List of CCEA Physics A2 Unit 1 Definitions and laws
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