4.1Forces and Equilibrium
Resolving forces, equilibrium, contact forces and friction.
7 sub-topics · Identifying forces acting in a given situation · Vector nature of force; components and resultants …
Kinematics of Motion in a Straight Line
Displacement, velocity, acceleration, motion graphs and the suvat equations.
4 sub-topics · Scalar quantities (distance, speed) and vector quantities (displacement, velocity, acceleration) · Displacement-time and velocity-time graphs …
Momentum
Linear momentum and its conservation in direct impacts.
2 sub-topics · Definition of linear momentum and its vector nature · Conservation of linear momentum in direct impact problems
Newton's Laws of Motion
F = ma on the level, on slopes, and for connected particles.
4 sub-topics · Applying Newton's second law to linear motion under constant forces · Relationship between mass and weight (W = mg) …
Energy, Work and Power
Work done, KE and GPE, the work-energy principle and power.
5 sub-topics · Work done by a constant force (W = Fd cos θ) · Gravitational potential energy and kinetic energy …