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P1-P3

Matter (P1), Forces (P2), Electricity & Magnesium (P3)

TermDefinition
What is the size of an atom? -15 1 X 10 M
What is the diameter of an atom? -10 1 X 10 M
Density (Formula) Mass Volume
Density is Mass per unit Volume
Density of a... Substance varies with sate but Mass doesn't
Specific Heat Capacity (formula) Change in Thermal Specific Heat Change in = Mass(kg) X Capacity (J/kgC) X Temp Energy (J)
You need to Put in Energy to.... Break Inter-molecular Bonds
Specific Latent Heat is.... Energy needed to Change State
Specific Latent Heat (Formula) Thermal Energy Specific Latent = Mass(kg) X Heat (J/kgC) for a Change in State
Colliding Gas particles... Creates Pressure
Change in Temperature..... Changes the Pressure
Speed, Distance & Time (Formula) Distance = Speed (m/s) X Time (s)
Acceleration (Formula) 2 Change in Velocity(m/s) Acceleration(m/s ) = Time (s)
Acceleration is.... Rate of change of Velocity
Uniform Acceleration (Formula) (final velocity2) - (initial velocity)2 = 2 X acceleration X distance (m/s)2 (m/s)2 (m/s2) (m)
Distance Time Graphs..... Tell you how far something has travelled
Velocity Time Graphs... Used to find Acceleration
Forces can be.. Contact or non-Contact
Resultant Force... Overall force on a point or object
Free Body Force Diagrams show... All the Forces Acting on the Body
A Resultant Force of 0 mean.. All the Forces are Balanced
A non-0 Resultant Force means... The Forces are Unbalanced
Equilibrium All the Forces on it are Balanced
Newton's First Law says.. An object will remain stationary or at a constant velocity unless acted upon by an external force
Newton's Second Law say... The force acting on an object is equal to its rate of change of momentum
Force (Formula) Mass (KG) X Acceleration (m/s2)
Created by: Shahed-02