19 terms

the unit of measurement for pressure is _______

pascal

a _________ is any substance that can flow and take the shape of the container that holds it

fluid

pressure ____________ when force is applied to a surface area that increases in size

decreases

atmospheric pressure changes with _________

elevation

density depends on mass and _______

volume

the underwater pressure at great depths in the ocean is ___________ the underwater pressure near the surface

greater than

a _______ fills an entire container regardless of the size of the container

gas

a buoyant force is an _______________ applied by a(n) __________ on an object in the fluid

upward force, fluid

the gravitational on an object is the object's ________

weight

A fluid applies pressure __________ to all sides of an object within the fluid, so an object in the water has pressure from the sides, top, and the bottom acting on it

perpendicular

Horizontal forces are ____________ in all ______________, so they cancel themselves out

equal, directions

pressure increases with _____________

depth

according to ____________________ , pressure applied to a fluid in a closed container increases in the same amount everywhere in the container

pascal's principle

when the speed of a fluid increases, the _____________ decreases

pressure

work is the product of ________ and distance

density

_________ is the ratio of force to area

pressure

a soccer player who scores a goal by kicking the ball so it flies in a curved path around the goalie is applying ___________

bernoulli's principle

mike flowing through a straw exerts ________ on all sides of the straw

pressure

_______________ oppose the motion of an object through a fluid

drag forces