Question 1

The constant G that appears in the equation F = Gm1m2/r2 is

Accepted Answer

A)  smaller on the Moon than on Earth. 
B)  the force of gravity. 
C)  equal to g. 
D)  the acceleration due to gravity. 
E)  a universal constant. 
A)  smaller on the Moon than on Earth. 
B)  the force of gravity. 
C)  equal to g. 
D)  the acceleration due to gravity. 
E)  a universal constant.

Question 2

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 3

A stationary but movable 450-kg cannon is fired,and the 12-kg cannonball moves off to the right with a velocity of 20.0 m/s.What is the cannon's velocity (neglecting friction or any restraints)?

Accepted Answer

0.53 m/s t

Question 4

"For every action there is an equal and opposite reaction" is a statement of Newton's

Accepted Answer

A)  law of universal gravitation. 
B)  first law. 
C)  second law. 
D)  third law. 
A)  law of universal gravitation. 
B)  first law. 
C)  second law. 
D)  third law.

Question 5

G (big G)is not a(n)______________,as g (little g)is.

Accepted Answer

The answer of G (big G)is not a(n)______________,as g (little...

Question 6

An apple weighs approximately one ______________.

Accepted Answer

The answer of An apple weighs approximately one ______________....

Question 7

An unbalanced force of 42 N is applied to a mass of 7.0 kg.What will be the resulting acceleration?

Accepted Answer

6.0 m/s² (i

Question 8

A 0.065-kg bullet travels with a velocity of magnitude 90 km/h.What is the bullet's linear momentum?

Accepted Answer

1.6 kg-m/s

Question 9

For Newton's third law,the action and reaction forces are equal in ______________ and opposite in direction.

Accepted Answer

The answer of For Newton's third law,the action and reaction...

Question 10

The natural tendency of an object to remain at rest or in motion with a constant velocity is called

Accepted Answer

A)  an external force. 
B)  an unbalanced force. 
C)  inertia. 
D)  none of these. 
A)  an external force. 
B)  an unbalanced force. 
C)  inertia. 
D)  none of these.

Question 11

An automobile with a mass of 2000 kg is moving north on a level,straight highway with a constant velocity of 80 km/h.What is the unbalanced force acting on the automobile?

Accepted Answer

The answer of An automobile with a mass of 2000...

Question 12

Two of your classmates,each 82 kg,are separated by 4 meters.The gravitational force of attraction between them in nano-newtons is

Accepted Answer

A)  1.4 nN 
B)  0.3 nN 
C)  0.0 nN 
D)  41.2 nN 
E)  28.0 nN 
A)  1.4 nN 
B)  0.3 nN 
C)  0.0 nN 
D)  41.2 nN 
E)  28.0 nN

Question 13

A force of 100 N applied to an object produces an acceleration of 4.00 m/s2.Determine the force needed to give the object an acceleration of 16.0 m/s2.

Accepted Answer

Question 14

a = F/m is a statement of ______________.

Accepted Answer

The answer of a = F/m is a statement of...

Question 15

The SI base units making up the newton are

Accepted Answer

A)  kg m/s. 
B)  g m/s2. 
C)  kg m/s2. 
D)  kg2/s. 
A)  kg m/s. 
B)  g m/s2. 
C)  kg m/s2. 
D)  kg2/s.

Question 16

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 17

"Weightlessness" occurs when an object

Accepted Answer

A)  has zero acceleration. 
B)  is in free fall. 
C)  is midway between Earth and the Moon. 
D)  loses weight. 
A)  has zero acceleration. 
B)  is in free fall. 
C)  is midway between Earth and the Moon. 
D)  loses weight.

Question 18

Calculate the force on a string tied to a ceiling with a 9.0-kg mass attached.

Accepted Answer

The answer of Calculate the force on a string tied...

Question 19

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 20

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.

Exam 3: Force and Motion

The constant G that appears in the equation F = Gm1m2/r2 is

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

A stationary but movable 450-kg cannon is fired,and the 12-kg cannonball moves off to the right with a velocity of 20.0 m/s.What is the cannon's velocity (neglecting friction or any restraints)?

"For every action there is an equal and opposite reaction" is a statement of Newton's

G (big G)is not a(n)______________,as g (little g)is.

An apple weighs approximately one ______________.

An unbalanced force of 42 N is applied to a mass of 7.0 kg.What will be the resulting acceleration?

A 0.065-kg bullet travels with a velocity of magnitude 90 km/h.What is the bullet's linear momentum?

For Newton's third law,the action and reaction forces are equal in ______________ and opposite in direction.

The natural tendency of an object to remain at rest or in motion with a constant velocity is called

An automobile with a mass of 2000 kg is moving north on a level,straight highway with a constant velocity of 80 km/h.What is the unbalanced force acting on the automobile?

Two of your classmates,each 82 kg,are separated by 4 meters.The gravitational force of attraction between them in nano-newtons is

A force of 100 N applied to an object produces an acceleration of 4.00 m/s2.Determine the force needed to give the object an acceleration of 16.0 m/s2.

a = F/m is a statement of ______________.

The SI base units making up the newton are

The relationship between mass and weight is given by the equation

"Weightlessness" occurs when an object

Calculate the force on a string tied to a ceiling with a 9.0-kg mass attached.

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

Mass and weight on Earth's surface

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

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The constant G that appears in the equation F = Gm₁m₂/r² is

A force of 100 N applied to an object produces an acceleration of 4.00 m/s².Determine the force needed to give the object an acceleration of 16.0 m/s².