Choose the best answer to each question and write the appropriate ...

24) Floating Freda, who can just barely float in fresh water, has a mass of 100 kg. Her volume
is therefore about __________.
A) 50 liters. B) 100 liters.
C) 220 liters. D) none of the above
25) An industrial container holds 200 N of water. The area of the inside bottom of the
container is 2 square meters. What pressure does the water exert on the bottom of the
container?
A) 100 N per square meter B) 200 N per square meter
C) 400 N per square meter D) 800 N per square meter
Choose the best answer to each question and write the appropriate letter in the space provided.
26) The pressure at the bottom of a jug filled with water does NOT depend on the
__________.
A) acceleration due to gravity B) density of water
C) depth of the liquid D) surface area of the water
27) Where is the pressure greater, one meter beneath the surface of Lake Michigan or one
meter beneath the surface of a swimming pond?
A) In Lake Michigan B) In the pond C) The same in both places
28) When an ice cube in a glass of water melts, the water level __________.
A) rises B) falls C) remains the same
29) Two equal-sized buckets are filled to the top with water. One of the buckets has a piece
of wood floating in it, making its total weight __________.
A) less than the weight of the other bucket
B) equal to the weight of the other bucket
C) more than the weight of the other bucket
30) If you are standing on the moon and release a balloon filled with helium gas, the balloon
will __________.
A) rise B) fall C) neither rise nor fall
31) The reason water can be pumped out of a well using an old-fashioned farm-type pump is
that the __________.
A) water level is very close to the pump.
B) pump scoops up the water and lifts it to the top.
C) pump sucks the water up from the well.
D) water is pushed to the surface by the atmosphere.
© Prentice Hall, Inc. Page 4