Question 1

The upward force exerted by a fluid on an object immersed in it is called

Accepted Answer

A) gravitational force. 
B) atmospheric force. 
C) buoyant force. 
D) weight. 
E) none of the above. 
A) gravitational force. 
B) atmospheric force. 
C) buoyant force. 
D) weight. 
E) none of the above.

Question 2

Two pistons push down on the fluid filling two cylinders connected by a narrow hose,as shown in the figure.The area AS1U1B11 S1U1B0is 1 square inch,and the area AS1U1B12S1U1B0 is 10 square inches.A force of 4 pounds is exerted downward on piston 1,as shown.  
-The pressure on A1 is 4 psi.

Accepted Answer

A) True 
 B)False

Question 3

A person weighing 200 pounds stands on snowshoes.If the area of each snowshoe is 400 square inches,the pressure on the snow is 0.25 psi.

Accepted Answer

A) True 
 B)False

Question 4

Normal atmospheric pressure is about __________.

Accepted Answer

14.7 psi,1

Question 5

The brakes in a car work because of

Accepted Answer

A) Archimedes' principle. 
B) Pascal's principle. 
C) Bernoulli's principle. 
D) Torricelli's principle. 
E) none of these principles. 
A) Archimedes' principle. 
B) Pascal's principle. 
C) Bernoulli's principle. 
D) Torricelli's principle. 
E) none of these principles.

Question 6

​​Match each item with the correct statement below.
-a unit of measure for pressure

Accepted Answer

A) ​absolute pressure 
B) atom 
C) ​atmosphere 
D) barometer 
E) buoyant force
F)​electron
G)gas
H)​gauge pressure
I)liquid
J)​mixture
K)molecule
L)neutron
M)plasma
N)proton
O)specific gravity 
A) ​absolute pressure 
B) atom 
C) ​atmosphere 
D) barometer 
E) buoyant force
F)​electron
G)gas
H)​gauge pressure
I)liquid
J)​mixture
K)molecule
L)neutron
M)plasma
N)proton
O)specific gravity

Question 7

The difference between the pressures inside and outside a tire is called __________.

Accepted Answer

The answer of The difference between the pressures inside and...

Question 8

DNA is a complex

Accepted Answer

A) atom. 
B) molecule. 
C) life form. 
D) mystery. 
E) acronym. 
A) atom. 
B) molecule. 
C) life form. 
D) mystery. 
E) acronym.

Question 9

​​Match each item with the correct statement below.
-an ionized gas

Accepted Answer

A) ​absolute pressure 
B) atom 
C) ​atmosphere 
D) barometer 
E) buoyant force
F)​electron
G)gas
H)​gauge pressure
I)liquid
J)​mixture
K)molecule
L)neutron
M)plasma
N)proton
O)specific gravity 
A) ​absolute pressure 
B) atom 
C) ​atmosphere 
D) barometer 
E) buoyant force
F)​electron
G)gas
H)​gauge pressure
I)liquid
J)​mixture
K)molecule
L)neutron
M)plasma
N)proton
O)specific gravity

Question 10

The air we breathe is mostly oxygen.

Accepted Answer

A) True 
 B)False

Question 11

Graphite,diamond,and buckminsterfullerene are different forms of the element _______.

Accepted Answer

The answer of Graphite,diamond,and buckminsterfullerene are different forms of the...

Question 12

​​Match each item with the correct statement below.
-a device that measures air pressure

Accepted Answer

A) ​absolute pressure 
B) atom 
C) ​atmosphere 
D) barometer 
E) buoyant force
F)​electron
G)gas
H)​gauge pressure
I)liquid
J)​mixture
K)molecule
L)neutron
M)plasma
N)proton
O)specific gravity 
A) ​absolute pressure 
B) atom 
C) ​atmosphere 
D) barometer 
E) buoyant force
F)​electron
G)gas
H)​gauge pressure
I)liquid
J)​mixture
K)molecule
L)neutron
M)plasma
N)proton
O)specific gravity

Question 13

If the same-sized force is made to act over a smaller area,the pressure is

Accepted Answer

A) decreased. 
B) increased. 
C) unchanged. 
D) dependent upon the shape of the area. 
A) decreased. 
B) increased. 
C) unchanged. 
D) dependent upon the shape of the area.

Question 14

You measure the pressure of a tire in Atlanta,GA and find it to be 35 psi.If the tire is taken to Denver,CO (with no other changes made)the pressure will read lower in Denver than in Atlanta.

Accepted Answer

A) True 
 B)False

Question 15

The upward force exerted by a fluid on an object immersed in it is called __________.

Accepted Answer

The answer of The upward force exerted by a fluid...

Question 16

Gases and liquids are both fluids.

Accepted Answer

A) True 
 B)False

Question 17

The four states of matter are __________,__________,__________,and __________.

Accepted Answer

solid,liqu

Question 18

Two pistons push down on the fluid filling two cylinders connected by a narrow hose,as shown in the figure.The area AS1U1B11S1U1B0 is 1 square inch,and the area AS1U1B12S1U1B0 is 10 square inches.A force of 4 pounds is exerted downward on piston 1,as shown.  
-The force F2 in pounds needed to keep piston 2 in place is

Accepted Answer

A) 0.25. 
B) 0.4. 
C) 4. 
D) 10. 
E) 40. 
A) 0.25. 
B) 0.4. 
C) 4. 
D) 10. 
E) 40.

Question 19

You press a stick that has a varying cross-sectional area horizontally between the palms of your hands. The area of the stick pushing against your left palm is twice the area of the stick pushing against your right palm.
-The pressure on your left palm is one half the pressure on your right palm.

Accepted Answer

A) True 
 B)False

Question 20

In the chemical formula for water,H2O,what does the "2" mean?

Accepted Answer

A) There are two oxygen (O)atoms in a molecule of water. 
B) There are two hydrogen (H)atoms in a molecule of water. 
C) The hydrogen in water is actually deuterium. 
D) none of the above 
A) There are two oxygen (O)atoms in a molecule of water. 
B) There are two hydrogen (H)atoms in a molecule of water. 
C) The hydrogen in water is actually deuterium. 
D) none of the above

The upward force exerted by a fluid on an object immersed in it is called

Two pistons push down on the fluid filling two cylinders connected by a narrow hose,as shown in the figure.The area A₁is 1 square inch,and the area A₂ is 10 square inches.A force of 4 pounds is exerted downward on piston 1,as shown. -The pressure on A₁ is 4 psi.

A person weighing 200 pounds stands on snowshoes.If the area of each snowshoe is 400 square inches,the pressure on the snow is 0.25 psi.

Normal atmospheric pressure is about __________.

The brakes in a car work because of

Match each item with the correct statement below. -a unit of measure for pressure

The difference between the pressures inside and outside a tire is called __________.

DNA is a complex

Match each item with the correct statement below. -an ionized gas

The air we breathe is mostly oxygen.

Graphite,diamond,and buckminsterfullerene are different forms of the element _______.

Match each item with the correct statement below. -a device that measures air pressure

If the same-sized force is made to act over a smaller area,the pressure is

You measure the pressure of a tire in Atlanta,GA and find it to be 35 psi.If the tire is taken to Denver,CO (with no other changes made)the pressure will read lower in Denver than in Atlanta.

The upward force exerted by a fluid on an object immersed in it is called __________.

Gases and liquids are both fluids.

The four states of matter are ,,,and .

Two pistons push down on the fluid filling two cylinders connected by a narrow hose,as shown in the figure.The area A₁ is 1 square inch,and the area A₂ is 10 square inches.A force of 4 pounds is exerted downward on piston 1,as shown. -The force F₂ in pounds needed to keep piston 2 in place is

You press a stick that has a varying cross-sectional area horizontally between the palms of your hands. The area of the stick pushing against your left palm is twice the area of the stick pushing against your right palm. -The pressure on your left palm is one half the pressure on your right palm.

In the chemical formula for water,H₂O,what does the "2" mean?

The Study of Motion

Newtons Laws

Energy and Conservation Laws

Temperature and Heat

Waves and Sound

Electricity

Electromagnetism and Em Waves

Optics

Atomic Physics

Nuclear Physics

Special Relativity and Elementary Particles

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Exam 4: Physics of Matter

The upward force exerted by a fluid on an object immersed in it is called

Two pistons push down on the fluid filling two cylinders connected by a narrow hose,as shown in the figure.The area A1 is 1 square inch,and the area A2 is 10 square inches.A force of 4 pounds is exerted downward on piston 1,as shown. -The pressure on A1 is 4 psi.

A person weighing 200 pounds stands on snowshoes.If the area of each snowshoe is 400 square inches,the pressure on the snow is 0.25 psi.

Normal atmospheric pressure is about __________.

The brakes in a car work because of

​​Match each item with the correct statement below. -a unit of measure for pressure

The difference between the pressures inside and outside a tire is called __________.

DNA is a complex

​​Match each item with the correct statement below. -an ionized gas

The air we breathe is mostly oxygen.

Graphite,diamond,and buckminsterfullerene are different forms of the element _______.

​​Match each item with the correct statement below. -a device that measures air pressure

If the same-sized force is made to act over a smaller area,the pressure is

You measure the pressure of a tire in Atlanta,GA and find it to be 35 psi.If the tire is taken to Denver,CO (with no other changes made)the pressure will read lower in Denver than in Atlanta.

The upward force exerted by a fluid on an object immersed in it is called __________.

Gases and liquids are both fluids.

The four states of matter are __________,__________,__________,and __________.

Two pistons push down on the fluid filling two cylinders connected by a narrow hose,as shown in the figure.The area A1 is 1 square inch,and the area A2 is 10 square inches.A force of 4 pounds is exerted downward on piston 1,as shown. -The force F2 in pounds needed to keep piston 2 in place is

You press a stick that has a varying cross-sectional area horizontally between the palms of your hands. The area of the stick pushing against your left palm is twice the area of the stick pushing against your right palm. -The pressure on your left palm is one half the pressure on your right palm.

In the chemical formula for water,H2O,what does the "2" mean?

The Study of Motion

Newtons Laws

Energy and Conservation Laws

Temperature and Heat

Waves and Sound

Electricity

Electromagnetism and Em Waves

Optics

Atomic Physics

Nuclear Physics

Special Relativity and Elementary Particles

Filters

Two pistons push down on the fluid filling two cylinders connected by a narrow hose,as shown in the figure.The area A₁is 1 square inch,and the area A₂ is 10 square inches.A force of 4 pounds is exerted downward on piston 1,as shown. -The pressure on A₁ is 4 psi.

Match each item with the correct statement below. -a unit of measure for pressure

Match each item with the correct statement below. -an ionized gas

Match each item with the correct statement below. -a device that measures air pressure

The four states of matter are ,,,and .

Two pistons push down on the fluid filling two cylinders connected by a narrow hose,as shown in the figure.The area A₁ is 1 square inch,and the area A₂ is 10 square inches.A force of 4 pounds is exerted downward on piston 1,as shown. -The force F₂ in pounds needed to keep piston 2 in place is

In the chemical formula for water,H₂O,what does the "2" mean?