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Chapter 11 Force in Fluids Study Guide
Terms in this set (18)
Snowshoes enable a person to walk on deep snow because the snowshoes _____________________
Distribute the force of a greater area.
A unit of pressure is called a ____________.
Air pressure exerted equally on an object from different directions is _________________.
Given that air pressure outside your body is so great, why aren't you crushed?
The pressure inside is the same as the outside.
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 an object floats, the volume is displaced water is equal to the volume of _____________________________.
The object's mass
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 flotation tanks, the overall density of the submarine ___________________.
A ship stay afloat as long as the buoyant force is ________________________________________________.
Equal to the weight of the ship.
Pascal's principle states that when force is applied to a confined fluid, the change in pressure is transmitted __________________________________________.
Equally to all parts of the fluids.
Smoke rises up a chimney partly because of _________________________________.
Bernoulli's principle helps to explain __________________________________________.
How flight happens.
The mass per unit volume of a substance is its _________________.
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