Term
| Constant motion (velocity) |
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Definition
speed
velocity = ------
time |
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Term
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Definition
change in velocity
Acceleration ------------------
time |
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Term
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Definition
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Term
| Density (P) in kg/m cubed |
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Definition
Mass
Density = ------
Volume |
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Term
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Definition
| Force= Mass X Acceleration |
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Term
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Definition
| Weight of object (downwards) = air resistance (upwards) |
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Term
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Definition
| Force = Spring constant X extension |
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Term
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Definition
| momentum of force = force X distance from pivot |
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Term
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Definition
| Total clockwise movment = Total anticlockwise movment |
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Term
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Definition
| work done= Force X distance covered by object |
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Term
| Kinetic energy in Joules (J) |
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Definition
| Kinetic energy = 1/2 X Mass X Velocity squared |
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Term
| Potential energy in Joules (J) |
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Definition
| Potential Energy = Mass X Gravity X height |
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Term
| Law of conservation of energy |
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Definition
| Energy can nver be created or destroyed only transfered |
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Term
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Definition
Work done
Power = -----------
Time taken |
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Term
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Definition
Force
Pressure = -------
Area |
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Term
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Definition
| Pressure= Density X Gravity X Height |
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Term
Pressure and volume relationship
(Boyle’s law) |
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Definition
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Term
| Thermal Expansion (Linear) |
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Definition
Change in length =
Linear expansivity of material X Original Length X Change in temperture |
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Term
| Thermal Expansion (Cubical) |
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Definition
Change in Volume =
Cubical expansivity X Original volume X Change in temperture |
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Term
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Definition
| When a canister is heated then the molecules gain more energy meaning when they hit against the sides the energy increases |
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Term
Specific Heat Capacity:
The amount of heat required to raise the temperature of 1 kg mass by 1oC |
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Definition
Specific heat capacity=
Heat in (J)
----------------------------
mass X Change in temperture |
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Term
Thermal Capacity:
amount of heat require to raise the temperature of a substance of any mass by 1oC |
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Definition
Energy
Thermal Capacity = --------------------
change in tempertute |
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Term
| Specific latent heat of fusion(from Ice to liquid) |
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Definition
Total heat
Specific latent heat of fusion = ---------
Mass |
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