The pressure at the bottom of aquarium A is greater than that at the bottom of aquarium B. Why might this be?
a. A is filled with fresh water, B has the same amount of salt water.
b. A is filled to a greater depth than B.
c. A has greater volume than B.
d. The bottom of aquarium A has smaller area than that of B.
e. none of the above
[Ques. 2] The gauge pressure of the water in a swimming pool at 10 ft is ____________ the gauge pressure of the water at 5 ft.
a. 1/4
b. 1/2
c. equal to
d. 2 times
e. 4 times
[Ques. 3] Water is flowing through a pipe whose cross sectional area at point A is larger than the cross sectional area at point B. The reading on a pressure gauge connected to the pipe at point A will be _____________ the reading on a pressure gauge connected to the pipe at point B.
a. the same as c. lower than
b. higher than d. unrelated to
[Ques. 4] If the outside air pressure decreases, the reading on a tire gauge connected to a tire
a. stays the same
b. increases
c. decreases
d. can not be determined
[Ques. 5] A solid object labeled A weighs more than another solid object labeled B. Which of the following are true?
a. A occupies more volume than B.
b. A has a greater weight density than B.
c. A has a greater specific gravity than B.
d. A has greater volume but lesser weight density than B.
e. none of the above
[Ques. 6] The ratio of the density of a material to the density of water is the
a. mass density
b. weight density
c. specific gravity
d. buoyant force
e. none of the above
[Ques. 7] When you suck through a straw, the force that makes the liquid go up the straw is
a. a suction force
b. due to surface tension
c. due to the pressure of the atmosphere
d. antigravity
[Ques. 8] Two inflated balloons are of identical size and shape, but one is filled with hydrogen, the other helium. Which has the larger buoyant force on it?
a. neitherthe buoyant forces must be equal
b. the helium balloon
c. the hydrogen balloon
d. It can't be determined.
[Ques. 9] A helium balloon rises because of
a. Archimedes' principle
b. Pascal's principle
c. Bernoulli's principle
d. Torricelli's principle
e. none of these principles
[Ques. 10] An atomizer works because of
a. Archimedes' principle
b. Pascal's principle
c. Bernoulli's principle
d. Torricelli's principle
e. none of these principles