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Science Vocab 3
science vocabulary forces
| Term | Definition |
|---|---|
| Force | A push or pull |
| Speed | Distance over a certain amount of time |
| Velocity | Speed+Direction |
| Acceleration | Change in velocity |
| Newton | Unit of force |
| Net force | Sum of all forces |
| Unbalanced Forces | When forces are unequal and motion occurs |
| Balanced Forces | When forces are equal + no motion occurs |
| Resultant | Overall force in a certain direction |
| Friction | Slows motion |
| Air resistance | Air friction |
| Weight | Mass affected by gravity |
| Mass | Amount of matter in an object |
| Gravity | Force that pulls things |
| Normal Force | Force that holds things up Can act opposite of gravity |
| Projectile | Something pushed or launched and then is affected by gravity pulling it down |
| Constant velocity | Speed + direction remain the same |
| Inertia | The tendency if an object to resist change in motion Newtons first law |
| Conservation of momentum | Momentum before a collision equals momentum after |