Ch 3: Question Preview (ID: 4584)

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The engine of a car is left running for a long time
a) energy is created by the burning of San Jose
b) energy is created by the burning gasoline
c) energy is transferred from burning gasoline
d) energy is released as gasoline evaporates

A substance changes from a liquid to a gas during evaporation because
a) energy is lost
b) energy is released
c) energy is created
d) energy is absorbed

What happens to the particles of a substance when it condenses
a) particles speed up and spread out
b) particles slow down and clump together
c) particles stick together and stop moving
d) particles vibrate as they lose energy

The notion that an object floats if the buoyant force on the object is equal to the objects weight was
a) Bernoulli
b) Archimedes
c) Pascal
d) Boyle

The ability of an object to float on a fluid is influenced by the
a) buoyant force of a fluid
b) density of an object
c) density of the fluid
d) all of the above

Force divided by the area over which the force is exerted is the calculation for
a) viscosity
b) pressure
c) density
d) volume

A measure of the resistance to flow of a fluid is
a) viscosity
b) mass
c) density
d) volume

As the pressure of a moving liquid increases, its speed
a) decreases
b) stays the same
c) increases
d) varies

Bernoulli's principle describes the property of a
a) fluid at rest
b) fluid in motion
c) object submerged in a fluid
d) object floating in a fluid

Boyles Law relates the pressure of a gas to its
a) temperature
b) container
c) volume
d) composition

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