2. At which depth is water pressure greatest? (1.) 10 m (2.) 100 m (3.) 500 m (4.) 1,000 m
3. At which elevation is air pressure greatest? (1.) 10 m (2.) 100 m (3.) 500 m (4.) 1,000 m
4. Hydraulic systems, such as car brakes, take advantage
of
(1.) Pascal's principle.
(2.) Archimedes' principle (3.) Bernoulli's principle.
(4.) gravity.
5. The buoyant force pushes objects (1.)
downwards. (2.) upwards. (3.) sideways.
(4.) in all directions.
6. Archimedes' Principle states that the buoyant force
on an object is equal to the
(1.) weight of the object.
(2.) volume of the object.
(3.) volume of the fluid the object
displaces.
(4.) weight of the fluid the object
displaces.
7. Density increases if
(1.) mass and volume increase
in the same proportion.
(2.) mass and volume decrease
in the same proportion.
(3.) mass increases and
volume stays the same.
(4.) volume increases and
mass stays the same.
8. Objects sink in water when they
(1.) have greater mass than
water.
(2.) have greater density
than water.
(3.) have greater weight
than water.
(4.) occupy more volume
than water.
9. Archimedes' principle states that the buoyant force on an
object in a
fluid is equal to the _____
of the fluid displaced.
(1.) volume
(2.) weight (3.) pressure (4.) kinetic energy
10. Pascal's principle is the basis for (1.) aerodynamics
(2.) buoyancy
(3.) hydraulics (4.)
changes of state
11. What is the term used to describe the amount of force exerted
per unit of area?
(1.) Work (2.)
Kinetic energy (3.) Pressure (4.) Power
Short Answer Section
Show the formula, work, and units associated with the following problem.
Find the pressure exerted by a downward
force of 250,000 N on a region that
has an area of 500 m2.
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