# Physics Unit Two

Physics Unit Two Syllabus AQA

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• Created by: Flora
• Created on: 18-12-12 19:02
• Physics
• Forces
• Resultant Forces
• Opposite forces
• When stationary
• When accelerating
• When accelerating
• Motion
• F = m x a
• Understanding distance-time graphs
• Calculating speed
• Velocity
• a = v - u ALL DIVIDED BY t
• Understanding velocity-time graphs
• Calculate acceleration
• Calculate distance
• Calculate acceleration
• Braking
• Air resistance
• Stopping distances
• Reaction time + braking distance
• Reasons for a longer reaction time
• Friction
• Adverse weather conditions
• Condition of brakes or tyres
• Terminal Velocity
• Elasticity
• Changes in shape
• Elastic potential energy
• F = k x e
• Kinetic Energy
• Energy
• W = F x d
• Against frictional forces
• Transfer of energy
• P = E / t
• GPE = m x g x h
• KE = A HALF OF m x v SQUARED
• Momentum
• A property of moving objects
• p = m x v
• Conservation of momentum
• Collisions and explosions
• Momentum
• A property of moving objects
• p = m x v
• Conservation of momentum
• Collisions and explosions
• Calculations involving two objects
• Calculations involving two objects
• Currents
• Static Electricity
• Electrical charges
• Negative charges
• Attracting and repelling
• Electrical Circuits
• Flow of electrical charge
• Q = I x t
• V = W / Q
• Sensors
• LDR
• Circuit symbols
• Potential difference
• Resistance
• Ions and electrons
• V = I x R
• Filament bulb
• Diode
• LED
• Mains Electricity
• Household Electricity
• Structure of cables
• Fuses and circuit breakers
• Circuit breakers are much faster
• Earth wire
• Current, Charge and Power
• Wasted energy
• P = E / t
• P = I x V
• E = V x Q
• Atomic Structure
• Nucleus
• Protons, neutrons and electrons
• Ions
• Isotopes
• Ions
• Decay
• Alpha particle
• Beta particle
• Alpha particle
• Nuclear
• Fission
• Splitting of an atomic nucleus
• Fissionable substances
• Chain reaction
• Absorbing a neutron
• Fusion
• Joining
• Gravitational attraction
• Star lifecycle
• Supernova
• Naturally occuring elements