Terms to Know

Archimede’s Principle: when an object is immersed in a fluid, it is buoyed upward by a force equal to the weight of the fluid displaced

Buoyancy: the tendency of a fluid to exert an upward force, equal to the weight of the fluid displaced, on a body placed in it

Continuum: molecules that are in close relations to one another without breaks or gaps

Displacement: the property of a body immersed in a fluid to push the fluid out of the way and occupy the space

Resistance: one of the four aerodynamic forces, it is equal to the amount of change in horizontal momentum caused by resistance of the medium around the object

Shear stress: a tangential – parallel – force on a surface.

 

Need other terms? Check out the glossary in my book.

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