Physics, Grade 12

Unit 1: Unit 1: Mechanics

Advanced mechanics: the constant-acceleration equations and relative motion; dynamics on inclined planes and with combined systems; impulse and the conservation of momentum; projectile motion; uniform circular motion and centripetal force; and work, energy, and the conservation of energy including springs and Hooke's Law.

• Deriving the constant-acceleration equations
• Solving straight-line motion problems
• Relative motion

• Objects in equilibrium
• Forces on an inclined plane
• Components of an applied force on an incline
• Friction problems on horizontal and inclined surfaces
• Newton's law with combined systems
• Investigating forces on an object

• The impulse-momentum equation
• Impulse from a force-time graph
• Conservation of momentum lab
• Solving momentum problems
• Impulse in real-life situations

• Projectile motion components
• Free-body diagrams for projectiles
• Calculating projectile components
• Range, height, and time of flight

• Centripetal acceleration
• Centrifugal effects and Newton's laws
• Free-body diagrams of circular motion
• Investigating circular motion
• The circular-motion equations
• Solving circular-motion problems

• Defining work
• Work from a force-position graph
• Work as a transfer of energy
• Forms of energy
• Deriving kinetic energy
• Gravitational potential energy
• Hooke's Law
• Spring potential energy
• Conservation of energy problems

Unit 2: Unit 2: Fields

Gravitational and electromagnetic fields beyond Earth: Kepler's laws and Newton's Law of Universal Gravitation, gravitational potential energy and escape velocity; satellites in low Earth orbit, microgravity, and re-entry; and electric and magnetic fields — Coulomb's Law, uniform fields, electric potential and voltage, and technologies using fields.

• Issues of space exploration
• Kepler's laws of planetary motion
• Newton's Law of Universal Gravitation
• Gravitational potential energy in space
• Escape velocity

• Universal gravitation and weight
• Newton's thought experiment on orbit
• Calculating satellite motion
• Defining microgravity
• Producing microgravity
• Re-entry into the atmosphere
• Challenges of deep-space exploration

• Inverse-square gravitational and electric fields
• Coulomb's Law
• Uniform field between parallel plates
• Electric potential energy between plates
• Electric potential
• The volt
• Potential difference and field between plates
• Charges moving through plates
• Hand rules for fields and charges
• Technologies using electric and magnetic fields

Unit 3: Unit 3: Electricity

Electric circuits — conventional current, Ohm's Law, resistance and resistivity, building series, parallel, and combined circuits, and calculating resistance, current, voltage, and power; and electromagnetic induction — magnetic flux, induced voltage, Lenz's Law, the AC generator, transformers, and electricity distribution in Manitoba.

• Conventional current
• History of Ohm's Law
• Resistance and resistivity
• Building circuits from diagrams
• Total resistance in series and parallel
• Calculating circuit quantities

• Magnetic flux
• Inducing voltage from changing flux
• Calculating induced voltage
• Lenz's Law
• The AC generator
• Graphing AC voltage
• Transformers
• The transformer ratio
• Electricity distribution in Manitoba

Unit 4: Unit 4: Medical Physics

The physics of radiation and its medical uses: the nuclear model of the atom, radioactivity and half-life, decay calculations, types of radiation, ionizing versus non-ionizing radiation and their sources and applications, the effects of radiation on the body, and diagnostic imaging and treatment techniques.

• The nuclear model of the atom
• Defining radioactivity
• Half-life calculations
• Types of radiation

• Ionizing and non-ionizing radiation
• Applications of non-ionizing radiation
• Applications of ionizing radiation
• Effects of radiation on the body
• Radiation in medical imaging and treatment