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# Vocab ch. 6

### Vocabulary 1-7

When two values change in opposite directions, so that if one increases the other decreases. inversely
The accelaration 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. Newtons second law
Anything that flows; in particular, any liquid or gas. fluid
friction, or drag, that acts on something moving through air air resistance
a diagram showing all the foorces acting on an object. free body diagram
force per unit of surface area where the force is perpendicular to the surface; meausred in pascals pressure
the SI unit of pressure. one pascal of pressure exerts in normal force of one newton per square meter. pascal
The speed at which the acceleration of a falling object is zero because friction balances the weight. terminal speed
Terminal speed together with the direction of motion(down for falling objects). terminal velocity
Created by: MSeise

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