| A | B |
|---|
| Force | a push or pull that one body applies to another |
| Net Force | when two or more forces combine at the same time. |
| Balanced Force | net force = 0, do not change an objects motion |
| Unbalanced Force | net force > 0, changes an objects motion |
| Inertia | an object's resistance to any change in motion. |
| Mass | an object with greater mass has a greater inertia. |
| Metric (SI) Unit for Force | Newtons. |
| Equation to calculate force | mass x acceleration. |
| Acceleration due to Gravity | 9.8m/s/s |
| Newtons 2nd Law | acceleration depends on mass and the applied force |
| Momentum | a quantity of motion |
| SI unit for mass | kg |
| SI unit for velocity | m/s |
| Newtons 3rd Law | for every force, there is an equal and opposite force |
| Newtons 1st Law | an object moving at a constant rate keeps its velocity unless acted upon by an unbalanced force |
| Acceleration | a change in an object's velocity over time |
| Friction | an opposition to motion |
| Static Friction | the friction that exists between surfaces at rest |
| Fluid Friction | the friciton that exists between any liquid or gas |
| Sliding Friction | also known as kinetic or dynamic friction |
| Rolling Friction | objects that can rotate have this type of friction |
