Forces make things change
Why this, why now
This unit explores forces, interactions, and Newton’s laws, including motion, rotation, and momentum. It covers reaction times, stopping distances, and deceleration dangers. Emphasis is on force diagrams, calculations, experiments, and evaluating methods for accuracy and safety.
Prior knowledge requirements
- Ardaydu waa inay yaqaanaan aasaaska maadada.
- Ardaydu waa inay awoodaan inay raacaan tilmaamo fudud.
Unit 1 / 6
Forces make things change
This unit explores forces, interactions, and Newton’s laws, including motion, rotation, and momentum. It covers reaction times, stopping distances, and deceleration dangers. Emphasis is on force diagrams, calculations, experiments, and evaluating methods for accuracy and safety.
18 lessons- Force, mass and acceleration (a = (v – u)/t)
- Changing momentum
- Balancing
- Force, mass and acceleration (a = Δv/t)
- Stopping (and estimating stopping distances)
- Conservation of momentum
- Stopping
- Terminal velocity
- Terminal velocity (including graphical representation)
- Stopping safely
- Newton's Second Law
- Newton's Second Law (including inertia)
- Resultant forces and their effects
- Newton’s Third Law (with free body diagrams in 2D)
- Moments, levers and gears
- Forces in two dimensions
- Newton's Third Law
- Forces in two dimensions (including resolution of a force)