Question 1

The particle that orbits the central core inside an atom is

Accepted Answer

A)  the electron. 
B)  the proton. 
C)  the neutron. 
D)  the nucleus. 
E)  none of the above. 
A)  the electron. 
B)  the proton. 
C)  the neutron. 
D)  the nucleus. 
E)  none of the above.

Question 2

What elements do the symbols H, O, C, and N stand for?

Accepted Answer

A)  hydrogen, ozone, carbon, nitrogen 
B)  hydrogen, oxygen, chlorine, nitrogen 
C)  hydrogen, oxygen, carbon, natrium 
D)  hydrogen, oxygen, carbon, nitrogen 
E)  none of the above 
A)  hydrogen, ozone, carbon, nitrogen 
B)  hydrogen, oxygen, chlorine, nitrogen 
C)  hydrogen, oxygen, carbon, natrium 
D)  hydrogen, oxygen, carbon, nitrogen 
E)  none of the above

Question 3

A tire pressure gauge reads 30 psi when the atmospheric pressure is 14 psi. The net force on 2 square inches of the tire is 60 lbs.

Accepted Answer

A) True 
 B)False

Question 4

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 5

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

Accepted Answer

Question 6

If the outside air pressure decreases, the reading on a tire gauge connected to a tire

Accepted Answer

A)  stays the same. 
B)  increases. 
C)  decreases. 
D)  can not be determined. 
A)  stays the same. 
B)  increases. 
C)  decreases. 
D)  can not be determined.

Question 7

An atom having a single proton in its nucleus is a hydrogen atom.

Accepted Answer

A) True 
 B)False

Question 8

The buoyant force that keeps a ship afloat is an example of __________ principle.

Accepted Answer

The answer of The buoyant force that keeps a ship...

Question 9

The uncharged particle inside an atom is

Accepted Answer

A)  the electron. 
B)  the proton. 
C)  the neutron. 
D)  the nucleus. 
E)  none of the above. 
A)  the electron. 
B)  the proton. 
C)  the neutron. 
D)  the nucleus. 
E)  none of the above.

Question 10

The SI unit of pressure is the pascal.

Accepted Answer

A) True 
 B)False

Question 11

The gauge pressure of the water in a swimming pool at 10 ft is ____________ the gauge pressure of the water at 5 ft.

Accepted Answer

A)  1/4 
B)  1/2 
C)  equal to 
D)  2 times 
E)  4 times 
A)  1/4 
B)  1/2 
C)  equal to 
D)  2 times 
E)  4 times

Question 12

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

Accepted Answer

A)  0.25 psi. 
B)  0.5 psi. 
C)  2 psi. 
D)  4 psi. 
E)  none of the above. 
A)  0.25 psi. 
B)  0.5 psi. 
C)  2 psi. 
D)  4 psi. 
E)  none of the above.

Question 13

A plasma will conduct electricity.

Accepted Answer

A) True 
 B)False

Question 14

As a pressurized aircraft gains altitude, the difference between the outside air pressure and the pressure inside the aircraft _____________ with height

Accepted Answer

The answer of As a pressurized aircraft gains altitude, the...

Question 15

The buoyant force that keeps a ship afloat is an example 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 16

Two pistons push down on the fluid filling two cylinders connected by a narrow hose, as shown in the figure. The area A 1 is 1 square inch, and the area A 2 is 10 square inches. A force of 4 pounds is exerted downward on piston 1, as shown.   
The pressure on A 1 is 4 psi.

Accepted Answer

A) True 
 B)False

Question 17

When an object floats in a liquid, the buoyant force is larger than the weight of the object.

Accepted Answer

A) True 
 B)False

Question 18

If the outside air pressure decreases, the reading on a tire gauge connected to a tire __________.

Accepted Answer

The answer of If the outside air pressure decreases, the...

Question 19

A helium balloon rises because of Archimedes' principle.

Accepted Answer

A) True 
 B)False

Question 20

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?

Accepted Answer

A)  neither-the buoyant forces must be equal 
B)  the helium balloon 
C)  the hydrogen balloon 
D)  It can't be determined. 
A)  neither-the buoyant forces must be equal 
B)  the helium balloon 
C)  the hydrogen balloon 
D)  It can't be determined.

The particle that orbits the central core inside an atom is

What elements do the symbols H, O, C, and N stand for?

A tire pressure gauge reads 30 psi when the atmospheric pressure is 14 psi. The net force on 2 square inches of the tire is 60 lbs.

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

If the outside air pressure decreases, the reading on a tire gauge connected to a tire

An atom having a single proton in its nucleus is a hydrogen atom.

The buoyant force that keeps a ship afloat is an example of __________ principle.

The uncharged particle inside an atom is

The SI unit of pressure is the pascal.

The gauge pressure of the water in a swimming pool at 10 ft is ____________ the gauge pressure of the water at 5 ft.

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

A plasma will conduct electricity.

As a pressurized aircraft gains altitude, the difference between the outside air pressure and the pressure inside the aircraft _____________ with height

The buoyant force that keeps a ship afloat is an example of

Two pistons push down on the fluid filling two cylinders connected by a narrow hose, as shown in the figure. The area A ₁ is 1 square inch, and the area A ₂ is 10 square inches. A force of 4 pounds is exerted downward on piston 1, as shown. The pressure on A ₁ is 4 psi.

When an object floats in a liquid, the buoyant force is larger than the weight of the object.

If the outside air pressure decreases, the reading on a tire gauge connected to a tire __________.

A helium balloon rises because of Archimedes' principle.

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?

The Study of Motion

Newton S Laws

Energy and Conservation Laws

Temperature and Heat

Waves and Sound

Electricity

Electromagnetism and Em Waves

Optics

Atomic Physics

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Exam 4: Physics of Matter

The particle that orbits the central core inside an atom is

What elements do the symbols H, O, C, and N stand for?

A tire pressure gauge reads 30 psi when the atmospheric pressure is 14 psi. The net force on 2 square inches of the tire is 60 lbs.

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

If the outside air pressure decreases, the reading on a tire gauge connected to a tire

An atom having a single proton in its nucleus is a hydrogen atom.

The buoyant force that keeps a ship afloat is an example of __________ principle.

The uncharged particle inside an atom is

The SI unit of pressure is the pascal.

The gauge pressure of the water in a swimming pool at 10 ft is ____________ the gauge pressure of the water at 5 ft.

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

A plasma will conduct electricity.

As a pressurized aircraft gains altitude, the difference between the outside air pressure and the pressure inside the aircraft _____________ with height

The buoyant force that keeps a ship afloat is an example of

Two pistons push down on the fluid filling two cylinders connected by a narrow hose, as shown in the figure. The area A 1 is 1 square inch, and the area A 2 is 10 square inches. A force of 4 pounds is exerted downward on piston 1, as shown. The pressure on A 1 is 4 psi.

When an object floats in a liquid, the buoyant force is larger than the weight of the object.

If the outside air pressure decreases, the reading on a tire gauge connected to a tire __________.

A helium balloon rises because of Archimedes' principle.

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?

The Study of Motion

Newton S 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 A ₁ is 1 square inch, and the area A ₂ is 10 square inches. A force of 4 pounds is exerted downward on piston 1, as shown. The pressure on A ₁ is 4 psi.