Fluid Biomechanics

Question 1

fluid biomechanics

Answer 1

any substance that tends to flow or continuously deform when acted upon by a shear force (air, water, doesn’t have love liquid)

Question 2

relative velocity

Answer 2

depends on body and fluid velocity

Question 3

fluid flow types

Answer 3

-laminar
-turbulent

Question 4

laminar

Answer 4

-still object (slower fluid flow)
-layers deform and stay parallel to each other
-no mixing of layers (smooth)

Question 5

turbulent

Answer 5

-circular current (faster fluid)
-greater turbulent flow, greater resistance
-white water (mixing of layers)
-rougher the surface the more velocity it takes to flow-greater resistance to movement

Question 6

fluid properties

Answer 6

-more density>more resistance (fluid density)
->viscosity (>resistance)
-specific weight (of fluid)

Question 7

buoyancy

Answer 7

-archimede’s principle
-magnitude of a buoyant force acting on a given body is equal to the weight of the fluid displace by the body
-vertically upward force
-density of fluid

Question 8

when density of fluid is greater than or equal to density of object

Answer 8

the object floats

Question 9

when density of fluid is less than or equal to density of object

Answer 9

the object sinks

Question 10

when density of fluid is equal to density of object

Answer 10

the object floats