CCEA
AS 1 Forces, Energy and Electricity
Work with physical quantities, including scalars and vectors, and explore how Newtonian mechanics and electricity apply in everyday life.
Specification
1.1 Physical Quantities
Units
Base units, derived units, and prefixes
4
1.2 Scalars and Vectors
Scalars and Vectors
Two types of quantities
3
1.3 Principle of Moments
Free Body Diagrams
Understanding forces on objects
1
Moments
Turning effect of a force
2
1.4 Linear Motion
Speed and Velocity
How fast something moves
2
'suvat' Equations of Motion
Constant acceleration motion
3
Motion Graphs
Visualising object movement
3
1.5 Dynamics
Projectile Motion
Moving vertically and horizontally
3
1.6 Newton's Laws of Motion
Newton's Laws
The three big laws of motion
5
1.7 Linear Momentum and Impulse
Linear Momentum
Quantity of motion
3
Collisions
Elastic and inelastic collisions
1
1.8 Work Done, Potential Energy and Kinetic Energy
Energy
How energy is stored
5
Mechanical Power
Rate of energy transfer
2
1.9 Electric Current, Charge and Potential Difference
Current and Charge
Charged particle movement
3
Voltage
Potential difference or EMF
4
1.10 Resistance and Resistivity
Resistance
Voltage to current ratio
4
Circuit Symbols
Essential for circuit diagrams
1
Circuits
How components behave together
4
Resistivity
A bulk material property
1
(P) Resistivity
Measuring the resistivity of a metal
2
IV Characteristics
Common component behaviour
1
LDR's and Thermistors
With variable resistance
2
1.11 Internal Resistance and EMF
Internal Resistance
Resistance within sources of EMF
1
(P) Internal Resistance
Measuring the EMF and resistance
4
1.12 Potential Divider Circuits
Potential Dividers
Dividing potential difference
1