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Chapter 10 STACK
chapter ten vocab
| Term | Definition |
|---|---|
| Force | A push or pull |
| Newton | SI unit for the magnitude of a force |
| Net force | Combination of all forces acting on an object. |
| Unbalanced Force | When an object has net force. |
| Balanced Forces | Equal forces acting in opposite directions. |
| Friction | A force that two surfaces exert on each other when they rub against each other. |
| Static Friction | A type of friction that acts on non moving objects. |
| Sliding Friction | Slide over each other |
| Rolling Friction | Rolls across surface. |
| Gravity | Force that pulls object towards e/o |
| Mass | The amount of matter in an object. |
| Weight | Amount of gravity on an object. |
| Free Fall | Force of gravity alone causes an obj to accel. |
| Air Resistance | fluid friction of air acts on an obj falling. |
| Projectile | An obj that is thrown will fall just as fast as obj dropped will hit ground at same time. |
| Compression | squeeze |
| Tension | stretch/pull |
| Inertia | An object's tendency to resist change in motion. |
| Newton's First Law | Objects in motion will stay in motion and objects at rest will stay at rest unless acted upon by an outside force. |
| Newton's 2nd Law | Accel. depends on net force acting on object and object's mass. |
| Newton's 3rd Law | For every action, there is an equal or opposite reaction. |
| Momentum | Mass * Velocity (quantity of motion) |