Bernoulli’s Principle.

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Presentation transcript:

Bernoulli’s Principle

So who was this Bernoulli guy?

So who was this Bernoulli guy? Swiss mathematician who came from a family of scientists and mathematicians

Bernoulli’s Principle

As fluid velocity goes up,

fluid pressure goes DOWN! As fluid velocity goes UP,

As fluid velocity goes up,

fluid pressure goes DOWN! As fluid velocity goes UP,

Glue this graphic to page 42 in your Science Notebook!

fluid pressure goes DOWN! As fluid velocity goes UP,

Bernoulli (eventually) makes way for FLIGHT!

Glue this graphic to page 43 in your SN Glue this graphic to page 43 in your SN. Glue down ONLY the spine and cut the flaps so they will open!

LIFT

An upward force on an object in a fluid LIFT An upward force on an object in a fluid

An upward force on an object in a fluid LIFT An upward force on an object in a fluid **What is the difference between lift and buoyancy?**

An upward force on an object in a fluid LIFT An upward force on an object in a fluid !

An upward force on an object in a fluid LIFT An upward force on an object in a fluid THRUST

An upward force on an object in a fluid LIFT An upward force on an object in a fluid THRUST The forward force produced by an engine

An upward force on an object in a fluid LIFT An upward force on an object in a fluid THRUST The forward force produced by an engine Bigger engines=bigger thrust and therefore don’t need bigger wings!

An upward force on an object in a fluid LIFT An upward force on an object in a fluid THRUST The forward force produced by an engine Bigger engines=bigger thrust and therefore don’t need bigger wings!

An upward force on an object in a fluid LIFT An upward force on an object in a fluid THRUST The forward force produced by an engine Bigger engines=bigger thrust and therefore don’t need bigger wings! DRAG

An upward force on an object in a fluid LIFT An upward force on an object in a fluid THRUST The forward force produced by an engine Bigger engines=bigger thrust and therefore don’t need bigger wings! DRAG The force that opposes or restricts motion in a fluid

An upward force on an object in a fluid LIFT An upward force on an object in a fluid THRUST The forward force produced by an engine Bigger engines=bigger thrust and therefore don’t need bigger wings! DRAG The force that opposes or restricts motion in a fluid Turbulence creates drag and reduces lift!

In a container, fluids exert pressure equally in all directions!