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vocab and formulas
physics
| Question | Answer |
|---|---|
| normal formal | when all forces are balanced and acceleration is zero |
| net force | for every action force, there is an equal |
| g | acceleration due to gravity |
| newton | kg*m/s, unit of force |
| applied force | push or pull to get something in motion |
| kinetic friction | opposes motion and is what must be overcome to keep an object moving |
| inertia | the tendency of an object to maintain its state of motion (at rest or moving with a constant velocity) |
| force of gravity | the force of the earth or planet acting on a mass |
| static friction force | opposes motion and is what must be overcome to start an object moving |
| mass | measure in kg and is not affected by gravity |
| terminal velocity | when weight and air resistance balance out for a falling object, it no longer accelerates and thus falls at a constant velocity for the rest of its fall |
| newtons 1st law | objects remain at rest or moving at a constant velocity unless acted on by an unbalanced force |
| newtons 2nd law | f=ma |
| newtons 3rd law | for every action force, there is an equal and opposite reaction force |
| coefficient of fruition (μ) | depends on the surface texture |
| equilibrium | when all forces are balanced and acceleration is zero |
Created by:
dalizavez
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