Outline
- Properties of forces.
- Superposition of forces.
- Inertial Reference Frames
- Mass
- Free body diagrams.
- How are gravity, weight and normal force related
- Newton’s First Law of Motion
- Newton’s Second Law of Motion
Basics
- A force is a push or a pull; an interaction between objects / their surroundings.
Superposition:
- Forces are vectors and the resultant vector has the same effect on the body as the sum of the individual components.