GRADE 12: MECHANICS
Section Sub-section
MOTION IN TWO DIMENSIONS
Motion of projectiles Introduction
Frame of reference
The trajectory
Vertical motion
Momentum of projectiles
Conservation of momentum in two dimensions Isolated systems
Collisions
Linear collisions
Perpendicular collisions
Collisions at oblique angles
WORK, POWER, AND ENERGY
Energy Energy
Potential energy
Gravitational potential energy
Kinetic energy
Mechanical energy
Constancy of mechanical energy for a falling body
Principle of conservation of energy
Work Work
Work performed against gravity
Work done accelerating an object from rest
Power Definition of power
Power required to overcome forces at constant velocity