UMKC Physics 210 Final Exam Questions
With Correct Answers
A heavy lead block and a light aluminum block of equal sizes are both
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submerged in water. Upon which is the buoyant force greater? A. On the
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lead block
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B. On the aluminum block
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C. They both experience the same buoyant force. - CORRECT
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ANSWER✔✔-C. They both experience the same buoyant force. | | | | | | |
The pressure exerted on the ground by a man is greatest when:
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A. he stands with both feet flat on the ground
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B. he stands flat on one foot
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C. he stands on the toes of one foot D. he lies down on the ground -
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CORRECT ANSWER✔✔-C. he stands on the toes of one foot
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The principle of fluid pressure which is used in hydraulic brakes or lifts is
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that: |
A. pressure is the same at all levels in a fluid
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B. increases of pressure are transmitted equally to all parts of a fluid
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,C. the pressure at a point in a fluid is due to the weight of the fluid
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above it | |
D. increases of pressure can only be transmitted through fluids -
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CORRECT ANSWER✔✔-B. increases of pressure are transmitted equally
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to all parts of a fluid
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Water flows through a pipe having a varying width. More water flows
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per second through the wide section than through the narrow section
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because there is more room for it to flow.
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A. True
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B. False - CORRECT ANSWER✔✔-B. False
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The rate of water flow from a pipe, in cubic meters per second, depends
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directly on which two factors?
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A. Cross-sectional area of the pipe and velocity of fluid movement
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B. Cross-sectional area of the pipe and length of pipe
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C. Diameter of pipe and length of pipe
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D. Velocity of water flow from the pipe and length of pipe - CORRECT
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ANSWER✔✔-A. Cross-sectional area of the pipe and velocity of fluid | | | | | | | | | |
movement
What is buoyancy?
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A. Buoyancy is a downward force exerted by a solid that opposes the
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weight of an object. | | | |
, B. Buoyancy is a downward force exerted by a fluid that opposes the
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weight of an immersed object.
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C. Buoyancy is an upward force exerted by a solid that opposes the
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weight an object. | | |
D. Buoyancy is an upward force exerted by a fluid that opposes the
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weight of an immersed object. - CORRECT ANSWER✔✔-D. Buoyancy is
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an upward force exerted by a fluid that opposes the weight of an
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immersed object. |
Blood is flowing through an artery of radius 2 cm at a speed of 40 cm/s.
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Determine the volume flow rate. | | | | |
A. About 8.4 cubic centimetres per second
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B. About 250 cubic centimetres per second
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C. About 16 cubic centimetres per second
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D. About 500 cubic centimetres per second - CORRECT ANSWER✔✔-D.
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About 500 cubic centimetres per second
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The temperature difference of 1 K is the same as
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A. 1 degree Celsius
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B. 1 degree Fahrenheit
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C. 273.15 degrees Celsius
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D. 273.15 degrees Fahrenheit - CORRECT ANSWER✔✔-A. 1 degree
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Celsius
With Correct Answers
A heavy lead block and a light aluminum block of equal sizes are both
| | | | | | | | | | | | | |
submerged in water. Upon which is the buoyant force greater? A. On the
| | | | | | | | | | | |
lead block
| | |
B. On the aluminum block
| | | | |
C. They both experience the same buoyant force. - CORRECT
| | | | | | | | | |
ANSWER✔✔-C. They both experience the same buoyant force. | | | | | | |
The pressure exerted on the ground by a man is greatest when:
| | | | | | | | | | | |
A. he stands with both feet flat on the ground
| | | | | | | | | |
B. he stands flat on one foot
| | | | | | |
C. he stands on the toes of one foot D. he lies down on the ground -
| | | | | | | | | | | | | | | | |
CORRECT ANSWER✔✔-C. he stands on the toes of one foot
| | | | | | | | |
The principle of fluid pressure which is used in hydraulic brakes or lifts is
| | | | | | | | | | | | | |
that: |
A. pressure is the same at all levels in a fluid
| | | | | | | | | | |
B. increases of pressure are transmitted equally to all parts of a fluid
| | | | | | | | | | | | |
,C. the pressure at a point in a fluid is due to the weight of the fluid
| | | | | | | | | | | | | | | | |
above it | |
D. increases of pressure can only be transmitted through fluids -
| | | | | | | | | | |
CORRECT ANSWER✔✔-B. increases of pressure are transmitted equally
| | | | | | | |
to all parts of a fluid
| | | | |
Water flows through a pipe having a varying width. More water flows
| | | | | | | | | | | |
per second through the wide section than through the narrow section
| | | | | | | | | | |
because there is more room for it to flow.
| | | | | | | | |
A. True
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B. False - CORRECT ANSWER✔✔-B. False
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The rate of water flow from a pipe, in cubic meters per second, depends
| | | | | | | | | | | | |
directly on which two factors?
| | | | | |
A. Cross-sectional area of the pipe and velocity of fluid movement
| | | | | | | | | | |
B. Cross-sectional area of the pipe and length of pipe
| | | | | | | | | |
C. Diameter of pipe and length of pipe
| | | | | | | |
D. Velocity of water flow from the pipe and length of pipe - CORRECT
| | | | | | | | | | | | | |
ANSWER✔✔-A. Cross-sectional area of the pipe and velocity of fluid | | | | | | | | | |
movement
What is buoyancy?
| | |
A. Buoyancy is a downward force exerted by a solid that opposes the
| | | | | | | | | | | | |
weight of an object. | | | |
, B. Buoyancy is a downward force exerted by a fluid that opposes the
| | | | | | | | | | | | |
weight of an immersed object.
| | | | |
C. Buoyancy is an upward force exerted by a solid that opposes the
| | | | | | | | | | | | |
weight an object. | | |
D. Buoyancy is an upward force exerted by a fluid that opposes the
| | | | | | | | | | | | |
weight of an immersed object. - CORRECT ANSWER✔✔-D. Buoyancy is
| | | | | | | | | |
an upward force exerted by a fluid that opposes the weight of an
| | | | | | | | | | | | |
immersed object. |
Blood is flowing through an artery of radius 2 cm at a speed of 40 cm/s.
| | | | | | | | | | | | | | | |
Determine the volume flow rate. | | | | |
A. About 8.4 cubic centimetres per second
| | | | | | |
B. About 250 cubic centimetres per second
| | | | | | |
C. About 16 cubic centimetres per second
| | | | | | |
D. About 500 cubic centimetres per second - CORRECT ANSWER✔✔-D.
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About 500 cubic centimetres per second
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The temperature difference of 1 K is the same as
| | | | | | | | | |
A. 1 degree Celsius
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B. 1 degree Fahrenheit
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C. 273.15 degrees Celsius
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D. 273.15 degrees Fahrenheit - CORRECT ANSWER✔✔-A. 1 degree
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Celsius