An instrument used to measure pressure is called a ____
barometer
100
The force that works opposite that of buoyant force is called
gravitation force (weight)
100
Arrange according from least dense to greatest density
Water, oil, copper, corn syrup
oil, water, corn syrup, copper
100
A substance that can easily change its shape is called a ?
fluid
200
_____ = Force / Area
Pressure
200
Air Pressure increasing = _____ (higher/lower) column of mercury in a barometer.
higher
200
Buoyant force works ______ the weight of the object.
opposite
200
An object with a DENSITY of < 1.0 will ______ in water.
Float
200
NAME THE PRINCIPLE:
as the speed of the fluid increases its pressure decreases.
Bernoulli's
300
Calculate volume if density = 2.0 g/cm3 and the object weighs 100 grams.
50 cm3
300
Pressure always flow from ______ to ______.
high to low
300
A buoyant force pushed ______ (up/down) on an object.
up
300
The buoyant force of a cube of steel is ____ when compared to the buoyant force on a battleship's steel hull.
less
300
Name the principle:
When a force is applied to a confined fluid, the increase in
pressure is transmitted equally to all parts of the fluid.
Pascal's
400
Calculate FORCE if pressure = 150 pascals over an area of 100 meters squared.
15000 N
400
The air pressure is _____ (higher, lower) in the mountains as compared to Firestone
lower
400
Name the Principle:
Buoyant Force on an object immersed in a liquid equals the weight of the liquid displaced and the volume of the submerged part of the object if it floats.
Archimedes
400
In order for a submarine to dive it must remove _______ and take on (add) ______.
air, water
400
By changing the size of the _______ the force within a hydraulic system can be multiplied
piston
500
Calculate MASS of an object if its density is 8.5 g/ml and it occupies a volume of 2 Liters.
17000 grams
500
High pressure winds are _______ (converging/diverging) while low pressure winds are ______ (converging/diverging)
diverging, converging
500
In regards to buoyancy, net force could be defined as =
_________ - _________ = net force
Mass
500
For a submarine to be neutrally buoyant the ratio of water inside the sub must be ______ to the amount of air in the sub.
equal
500
On a floating object, the volume of fluid displaced is equal to what?