### College Board AP Physics B/C Comparisons

Blue is Physics B only/ Red is Physics B & C
Percentage Goals for Examinations
Content Area
Physics B
Physics C
I. Newtonian Mechanics
35%
50%
A. Kinematics (including vectors, vector algebra, components of vectors, coordinate systems, displacement, velocity, and acceleration)
1. Motion in one dimension
2. Motion in two dimensions including projectile motion
7%
9%
B. Newton's laws of motion
1. Static equilibrium (first law)
2. Dynamics of a single particle (second law)
3. Systems of two or more bodies (third law)
9%
10%
C. Work, energy, power
1. Work and work-energy theorem
2. Forces and potential energy
3. Conservation of energy
4. Power
5%
7%
D. Systems of particles, linear momentum
1. Center of mass
2. Impulse and momentum
3. Conservation of linear momentum, collisions
4%
6%
E. Circular motion and rotation
1. Uniform circular motion
2. Torque and rotational statics
3. Rotational kinematics and dynamics
4. Angular momentum and its conservation
4%
9%
F. Oscillations and gravitation
1. Simple harmonic motion (dynamics and energy relationships)
2. Mass on a spring
3. Pendulum and other oscillations
4. Newton's law of gravity
5. Orbits of planets and satellites
1. Circular
2. General
6%
9%
II. Fluid Mechanics and Thermal Physics
15%
N/A
A. Fluid Mechanics
1. Hydrostatic pressure
2. Buoyancy
3. Fluid flow continuity
4. Bernoulli's equation
6%

B. Temperature and heat
1. Mechanical equivalent of heat
2. Heat transfer and thermal expansion
2%

C. Kinetic theory and thermodynamics
1. Ideal gases
1. Kinetic model
2. Ideal gas law
2. Laws of thermodynamics
1. First law (including processes on pV diagrams)
2. Second law (including heat engines)
7%

III. Electricity and Magnetism
25%
50%
A. Electrostatics
1. Charge and Coulomb's law
2. Electric field and electric potential (including point charges)
3. Gauss's law
4. Fields and potentials of other
charge distributions
5%
15%
B. Conductors, capacitors, dielectrics
1. Electrostatics with conductors
2. Capacitors
1. Capacitance
2. Parallel plate
3. Spherical and cylindrical
3. Dielectrics
4%
7%
C. Electric circuits
1. Current, resistance, power
2. Steady-state direct current circuits with batteries and resistors only
3. Capacitors in circuits
2. Transients in RC circuits
7%
10%
D. Magnetic Fields
1. Forces on moving charges in magnetic fields
2. Forces on current-carrying wires in magnetic fields
3. Fields of long current-carrying wires
4. Biot-Savart's law and Ampere's law
4%
10%
E. Electromagnetism
1. Electromagnetic induction (including Faraday's law and Lenz's law)
2. Inductance (including LR and LC circuits)
3. Maxwell's equations
5%
8%
IV. Waves and Optics
15%
N/A
A. Wave motion (including sound)
1. Traveling waves
2. Wave propagation
3. Standing waves
4. Superposition
5%

B. Physical optics
1. Interference and diffraction
2. Dispersion of light and the electromagnetic spectrum
5%

C. Geometric optics
1. Reflection and refraction
2. Mirrors
3. Lenses
5%

V. Atomic and Nuclear Physics
10%
N/A
A. Atomic physics and quantum effects
1. Photons, the photoelectric effect, Compton scattering, x-rays
2. Atomic energy levels
3. Wave-particle duality
7%

B. Nuclear physics
1. Nuclear reactions (including conservation of mass number and charge)
2. Mass-energy equivalence
3%