25 Definitions
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each of the black spaces below before clicking
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| The formula for pressure is— Pressure = ____________ | Pressure=Force/Area
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| The SI unit of pressure is the Newton per square meter. (N/m2) This unit of pressure is also called the _______________. | Pascals
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| _____________ is a force exerted over an area on the surface of an object. | Pressure
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| A _________ is a material that can easily flow. | Fluid
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| As your elevation increases, atmospheric pressure_______. | Decreases
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| Water pressure ______________as depth increases. | Increases
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| You can measure atmospheric pressure with an instrument called ______________. | Barometer
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| The __________ force acts in the direction opposite to the force of gravity. | Buoyant
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| ___________ principle states that the buoyant force acting on a submerged object is equal to the weight of the fluid the object displaces. | Pascal's
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| A ship floats on the surface as long as the buoyant force acting on it is equal to its __________. | Weight
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| The ______ of a substance is its mass per unit volume. | Density
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| The density of water is ____ g/cm3. | 1 g/cm3
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| The formula for density: Density = _______ | Mass/Velocity
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| If the density of an object is equal to the density of the fluid in which it is immersed, the object will__________. | Neither rise nor sink
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| To make a submarine dive, water is taken into its tanks. The __________ density makes its weight greater than the buoyant force. | Increased
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| _______ __________ is the force when applied to a confined fluid, the change in pressure is transmitted equally to all parts of the fluid. | Pascals' principle
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| A ___________ system multiplies force by applying the force to a small surface area | Hydraulic System
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| On December 17, 1903, the ______________ brothers plane flew for the first time. | Wright Brothers
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| A fluid naturally flows from an area of ______ pressure to an area of ____ pressure. | High; Low
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| _______________ principle states that as the speed of a moving fluid increases, the pressure with the fluid decreases. | Bernoulli's Priciple
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| The 4 forces acting on an airplane are... | Lift, Drag, Thrust, and Gravity
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| The pressure in a fluid decreases as the speed of the fluid increases is __________ __________. | Bernoulli's Principle
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| Is our mixture of gases we call air a fluid? | Yes, its like water
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| An increase in pressure on a confined fluid is transmitted equally to all parts of the fluid is know as _______ __________. | Pascal's Principle
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| The buoyant force equals the weight of the displaced fluid is _______ __________. | Archimede's Principle
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Created by:
MaddyWarner
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