Matter in Motion Flashcards

1
Q

Fluid

A

A nonsolid state of matter in which the atoms or molecules are free to move past eachother

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2
Q

Pressure

A

The amount of force exerted per unit area of a surface

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3
Q

Pascal

A

The SI unit of pressure

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4
Q

Atmospheric Pressure

A

The pressure caused by the weight of the atmosphere

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5
Q

Buoyant Force

A

The upward force that keeps an object immersed in or floating on a liquid

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6
Q

Archimedes’ Princaple

A

The principal that states that the buoyant force on an object in a fluid is an upward force equal to the weight of the volume of fluid that the object displaces

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7
Q

Bernoulli’s Princaple

A

The princaple that states that the pressure in a fluid decreases as the fluid’s velocity increases

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8
Q

Thrust

A

The pushing or pulling force exerted by the engine of an aircraft or rocket

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9
Q

Pascal’s Princaple

A

The principle that states that a fluid inn equal contained in a vessel exerts a pressure of equal intensity in all directions

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