Quiz 12/11 Flashcards Preview

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Flashcards in Quiz 12/11 Deck (12):
1

what is density?

in density, you can either float or sink

2

density equation?

mass/volume

3

what is the pressure equation?

force/area

4

what is force measured in?

newtons

5

what is area measured in?

m^2 or cm^2

6

what is the Bernoulli's principle?

when the speed of a moving fluid increases, the pressure within it decreases

7

what was our experiment for bernoulli's principle?

we blew over a piece of paper and it started wiggling up and down

8

what is the pascal's principle?

when pressure is applied to a confined fluid, that pressure is exerted equally on all parts of the fluid

9

what is a buoyant force?

upward force in a liquid (contributory to gravity)

10

what is displacement?

the amount of fluid moved by a submerged or partially submerged object

11

what does the volume of liquid displaced equal?

the volume of submerged portion of the object

12

what is archimedes' principle?

the buoyant force acting on a submerged or partially submerged object is equal to the weight of the fluid displaced by it