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Definitions
Principles
Pressure/Buoyancy
Misc.
Misc. 2
100
The force exerted on a surface divided by the total surface area.
What is pressure?
100
The buoyant force acting n a submerged object is equal to the weight of the fluid the object displaces.
What is Archimedeś Principle?
100
As elevation increases, atmospheric pressure _________________.
What is decreases?
100
The three ways an object can accelerate.
What is speed up, slow down or change direction?
100
An object used as a reference point to determine motion should be ______________.
What is stationary?
200
A material that can easily flow.
What is fluid?
200
When a forces is applied to a confined fluid, the change in pressure is transmitted equally to all parts of the fluid.
What is Pascalś Principle?
200
As water depth increases, the pressure ______________.
What is increases.
200
When you know both the speed and direction of an objectś motion, you know the _______________.
What is velocity?
200
The SI unit for pressure.
What is Pascal?
300
A substance's mass per unit volume.
What is density?
300
As the speed of a moving fluid increases, the pressure within the fluid decreases.
What is Bernouliiś Principle?
300
Buoyant force acts in the direction opposite to the force of gravity, so it makes an object feel ________________.
What is lighter?
300
A change in position with respect to a reference point is ___________.
What is motion?
300
The moon is this relative to Earth.
What is natural satellite?
400
The instrument uses to measure atmospheric pressure.
What is a barometer?
400
This principle explains how planes stay in the air (lift).
What is Bernoulliś Principle?
400
All of the forces exerted by the individual particles in a fluid combined to make up the pressure exerted by the fluid.
What is fluid pressure?
400
If you know a car travels 30 km in 20 minutes, you can find its ___________________.
What is average speed?
400
The type of force that causes a satellite to orbit Earth.
What is centripetal force?
500
The ability to float.
What is buoyancy?
500
This principle explains why hydraulic systems work.
What is Pascalś Principle?
500
If an object/substanceś density is greater than the fluid it is submerged in it will ____________________.
What is sink?
500
Convert 25 mg to kilograms.
What is 0.000025 kg?
500
The greatest velocity a falling object reaches.
What is momentum?