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Chapter 11 forces in fluids ( kassie burkett)
Terms in this set (35)
Snowshoes enable a person to walk on deep snow because the snowshoes?
They distribute weight over a greater area
A unit of pressure is called a ?
Air pressure exerted equally on an object from different directions is?
Given that the air pressure outside your body is so great, why aren't you crushed?
Air pressure decreases as elevation
Water pressure increases as depth
which type of substance does Pascal's principle deal with ?
One application of Pascal's principle is?
What scientific rule describes why water squirts from a plastic bottle when it is squeezed?
What does a hydraulic system do?
If you measure length width and height in cm and multiply them together what is the resulting unit?
What effect does a buoyant force have on a submerged object?
If an object floats, the volume of displaced water is equal to the volume of ?
The volume of the object above the water
What scientific rule states that the buoyant force on an object is equal to the weight of the fluid displaced by the object.
When water fills a submarine's floatation tanks, the overall density of the submarine?
A ship stays afloat as long as the buoyant force is?
equal the ship weight
Pascal's principle states that when force is applied to a confined fluid, the change in pressure is transmitted
Smoke rises up a chimney partly because of
Bernoulli's principle helps to explain
The mass per unit volume of a substance is its
A material that can easily flow is called a
What scientific rule states that the pressure exerted by a moving stream of fluid is less than the pressure of the surrounding fluid ?
What multiplies a force by transmitting it to a large surface area?
The braking system on a car is an example of ?
If you know the weight of an object that floats, you know that
Water pressure ________ with depth
A mountain climber might carry oxygen because the air pressure at the top of the mountain is _____ than the air pressure at the bottom
pressure _______ as the area over which a force is distributed increases?
The unit of pressure is called a?
When force is applied to a confined fluid, an increase in _______ is transmitted equally to all parts of the fluid?
The buoyant force acts in the direction opposite the force of?
A block of wood is placed in a jar of water. According to Archimedes principle, the ________ on the block is equal to the weight of the displaced fluid.
The greater the portion of a tennis ball beneath the surface of a liquid, the _______
How do you find the volume of an irregularly shaped object?
Put it in water
According to Bernoulli's principle, the pressure in a moving stream of fluid is _______ than the pressure of the surrounding fluid.
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