forces fluids, and density review

what is a force

• any push or pull upon an object

• some thing puching on a surface

• another name for pressure

• puching smth

give 3 examples of a pushing force

give 3 examples of a pulling force

what is inertia

• a property of matter by which it continues in its existing state of rest or uniform motion unless that state is changed by an external force.

• it os a suspension

• the particle theory

• an object dipped in water always displaced a volume of water equal to its own volume

what is pressure

• a force pushing on a surface

• a force pushing in a substance

• a force on an object

• a substance that can flow easily

explain using eequation of pressure=force/areA, why do snowshoes allow you to stay on the surface of the snow

what is a fluid

• another name for gas

• particles that are far apart

• a substance that can flow easily

• elevation

what is the relationship between pressure and elevation

• pressure increases as elevation/ depth increases

• pressure increases as elevation/ depth decreases

• pressure decreases as elevation/ depth decreases

• force increases as elevation/ depth decreases

what is pascal's principle

what is buoyant force

• the upward force exerted by any fluid upon a body placed in it

• the downward force exerted by any fluid upon a body placed in it

• the force exerted by liquid fluid upon a body placed in it

• the upward force exerted by any fluid