Forces in Fluids

Pressure can be measured in units of ...

• newtons per square meter.

• density per square meter.

Hydraulic systems _____ force.

• divide

• multiply

Snowshoes enable a person to walk on deep snow because the snowshoes

• decrease the area over which the person’s weight is distributed.

• increase the area over which the person’s weight is distributed.

Tags

NGSS.MS-ETS1-2

Smoke rises up a chimney partly because of ______ principal.

• Archimedes'

• Pascal's

• Bernoulli’s

A unit of pressure is called a ___.

• inch

• cube

• density

• pascal

When water fills a submarine’s floatation tanks, the overall density of the submarine increases.

• True

• False

------principal deals with a fluid substance.

• Archimedes'

• Pascal's

• Bernolli's

• Newton's

Pressure inside your body balances the air pressure outside your body.

• True

• False

Pascal’s principle states that when force is applied to a confined fluid, the change in pressure is transmitted ______ to all parts of the fluid.

• unequally

• slower

• equally

• quickly

____ principle states that the pressure exerted by a moving stream of fluid is less than the pressure of the surrounding fluid.

• Pascal

• Bernoulli’s

• Archimedes'

• Haselrig's