Ch.5 Newton's 2nd Law Vocab
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14 terms
Terms | Definitions |
|---|---|
 Air resistance | Friction, or drag, that acts on something moving through air. |
| Fluid | Anything that flows; in particular, any liquid or gas. |
| free-body diagram | A diagram showing all forces acting on an object |
| inversely | When two values change in opposite directions, so that if one is doubled the other is reduced by a half. |
| Newton's 2nd law | The acceleration produced by a net force on a body is directly proportional to the magnitude of the net force, is in the same direction as the net force, and is inversely proportional to the mass of the body/ |
| Pascal | the SI unit of pressure, exerts a normal force of one newton per square meter |
| friction | the force that acts to oppose motion between 2 materials in contact. |
| pressure | force per surface arena where the force is normal to the surface. |
| fluid friction | the resistance force of a gas or a liquid as an object passes through |
| Independent variable | the variable you change on purpose |
| dependent variable | the variable that responds to the independent variable |
| constants | the variables that are not allowed to change |
| data table | chart that you enter the IV and DV |
| graph | a visual representation of the data enabling easier interpretation of data |
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