Question 1

The relationship between mass and weight is given by the equation

Accepted Answer

A)  m = wg. 
B)  w = m/g. 
C)  g = mw. 
D)  w = mg. 
A)  m = wg. 
B)  w = m/g. 
C)  g = mw. 
D)  w = mg.

Question 2

In the equation A = B/C, the A and B are said to be _______________ proportional.

Accepted Answer

A)  directly 
B)  inversely 
C)  not 
D)  exactly 
A)  directly 
B)  inversely 
C)  not 
D)  exactly

Question 3

In Newton's law of universal gravitation, F = Gm1m2/r2 for uniform objects, the quantity r is______________.

Accepted Answer

the distan

Question 4

If an object of mass 6 kg has an acceleration of 9 m/s2, what is the unbalanced force acting on it?

Accepted Answer

A)  54 N 
B)  0.67 N 
C)  1.5 N 
D)  15 N 
E)  cannot be determined 
A)  54 N 
B)  0.67 N 
C)  1.5 N 
D)  15 N 
E)  cannot be determined

Question 5

What is the force of gravity acting on a 1-kg mass?
(g = 9.8 m/s2)

Accepted Answer

Question 6

The variables m1 and m2 that appear in the equation F = Gm1m2/r2 are

Accepted Answer

A)  the straight-line distance between the centers of each object. 
B)  the rate at which each object is moving. 
C)  the mass of each object. 
D)  the diameter of each object. 
A)  the straight-line distance between the centers of each object. 
B)  the rate at which each object is moving. 
C)  the mass of each object. 
D)  the diameter of each object.

Question 7

If a person weighs 108 lb on Earth, that person's weight on the Moon would be

Accepted Answer

A)  648 lb. 
B)  54 lb 
C)  18 lb. 
D)  108 lb. 
E)  54 lb. 
A)  648 lb. 
B)  54 lb 
C)  18 lb. 
D)  108 lb. 
E)  54 lb.

Question 8

In the equation A = B/C, the A and C are said to be _______________ proportional.

Accepted Answer

A)  directly 
B)  inversely 
C)  not 
D)  exactly 
A)  directly 
B)  inversely 
C)  not 
D)  exactly

Question 9

Newton's law of universal gravitation is believed to be applicable

Accepted Answer

A)  to the Milky Way only. 
B)  on Earth and the Moon only. 
C)  throughout the universe. 
D)  to the solar system only. 
E)  on Earth only. 
A)  to the Milky Way only. 
B)  on Earth and the Moon only. 
C)  throughout the universe. 
D)  to the solar system only. 
E)  on Earth only.

Question 10

The linear momentum of an object can be determined by taking the product of the mass and the

Accepted Answer

A)  acceleration of the object. 
B)  velocity of the object. 
C)  distance the object moves. 
D)  displacement of the object. 
A)  acceleration of the object. 
B)  velocity of the object. 
C)  distance the object moves. 
D)  displacement of the object.

Question 11

Mass and weight on Earth's surface

Accepted Answer

A)  are the same thing. 
B)  are defined solely by inertia. 
C)  are explained by Newton's third law. 
D)  differ in magnitude by a constant. 
E)  are explained by Kepler's second law. 
A)  are the same thing. 
B)  are defined solely by inertia. 
C)  are explained by Newton's third law. 
D)  differ in magnitude by a constant. 
E)  are explained by Kepler's second law.

Question 12

An automobile air bag

Accepted Answer

A)  increases the contact time in stopping a person. 
B)  reduces the impact force in a collision. 
C)  increases the surface area of the impact force. 
D)  does all of the above. 
A)  increases the contact time in stopping a person. 
B)  reduces the impact force in a collision. 
C)  increases the surface area of the impact force. 
D)  does all of the above.

Question 13

Jet propulsion can be explained in terms of Newton's third law and the ______________.

Accepted Answer

conservati

Question 14

A quantity that is capable of producing motion or a change in motion is called a(n) ______________.

Accepted Answer

The answer of A quantity that is capable of producing...

Question 15

If the lever arm of a 9-N force is 6 m, what is the torque acting on the object due to this force?

Accepted Answer

A)  54 Nm 
B)  1.5 Nm 
C)  0.67 Nm 
D)  15 Nm 
E)  cannot be determined 
A)  54 Nm 
B)  1.5 Nm 
C)  0.67 Nm 
D)  15 Nm 
E)  cannot be determined

Question 16

An astronaut on the Moon has the same mass as when on Earth,but has a different ______________.

Accepted Answer

The answer of An astronaut on the Moon has the...

Question 17

In the equation A = B/C, the B and C are said to be _______________ proportional.

Accepted Answer

A)  directly 
B)  inversely 
C)  not 
D)  exactly 
A)  directly 
B)  inversely 
C)  not 
D)  exactly

Question 18

An indication of an object's inertia is given by its ______________.

Accepted Answer

The answer of An indication of an object's inertia is...

Question 19

A 6.0-kg object exerts a force of 8.0 N on a 2.0-kg object. What is the magnitude of the force on the 6.0-kg object?

Accepted Answer

The answer of A 6.0-kg object exerts a force of...

Question 20

Linear momentum has units of ______________.

Accepted Answer

The answer of Linear momentum has units of ______________....

Exam 3: Force and Motion

The relationship between mass and weight is given by the equation

In the equation A = B/C, the A and B are said to be _______________ proportional.

In Newton's law of universal gravitation, F = Gm1m2/r2 for uniform objects, the quantity r is______________.

If an object of mass 6 kg has an acceleration of 9 m/s2, what is the unbalanced force acting on it?

What is the force of gravity acting on a 1-kg mass? (g = 9.8 m/s2)

The variables m1 and m2 that appear in the equation F = Gm1m2/r2 are

If a person weighs 108 lb on Earth, that person's weight on the Moon would be

In the equation A = B/C, the A and C are said to be _______________ proportional.

Newton's law of universal gravitation is believed to be applicable

The linear momentum of an object can be determined by taking the product of the mass and the

Mass and weight on Earth's surface

An automobile air bag

Jet propulsion can be explained in terms of Newton's third law and the ______________.

A quantity that is capable of producing motion or a change in motion is called a(n) ______________.

If the lever arm of a 9-N force is 6 m, what is the torque acting on the object due to this force?

An astronaut on the Moon has the same mass as when on Earth,but has a different ______________.

In the equation A = B/C, the B and C are said to be _______________ proportional.

An indication of an object's inertia is given by its ______________.

A 6.0-kg object exerts a force of 8.0 N on a 2.0-kg object. What is the magnitude of the force on the 6.0-kg object?

Linear momentum has units of ______________.

Measurement

Motion

Work and Energy

Temperature and Heat

Waves and Sound

Optics and Wave Effects

Electricity and Magnetism

Atomic Physics

Nuclear Physics

The Chemical Elements

Chemical Bonding

Chemical Reactions

Organic Chemistry

Place and Time

The Solar System

Moons and Small Solar System Bodies

The Universe

The Atmosphere

Atmospheric Effects

Structural G Eology and P Late Tectonics

Minerals, Rocks, and Volcanoes

Surface Processes

Geologic Time

Filters

In Newton's law of universal gravitation, F = Gm₁m₂/r² for uniform objects, the quantity r is______________.

If an object of mass 6 kg has an acceleration of 9 m/s², what is the unbalanced force acting on it?

What is the force of gravity acting on a 1-kg mass? (g = 9.8 m/s²)

The variables m₁ and m₂ that appear in the equation F = Gm₁m₂/r² are