Question 1

Newton's law of gravitation applies to all ______________.

Accepted Answer

The answer of Newton's law of gravitation applies to all...

Question 2

When you push on a stationary object and it doesn't move, what kind of force is most likely to be opposing your efforts?

Accepted Answer

The answer of When you push on a stationary object...

Question 3

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 4

If an unbalanced force of 5 N force acts on a 8-kg object, what is its acceleration?

Accepted Answer

A)  40 m/s2 
B)  0.63 m/s2 
C)  1.6 m/s2 
D)  13 m/s2 
E)  cannot be determined 
A)  40 m/s2 
B)  0.63 m/s2 
C)  1.6 m/s2 
D)  13 m/s2 
E)  cannot be determined

Question 5

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...

Question 6

What must be exerted on an object to change the angular momentum?

Accepted Answer

A)  Linear momentum 
B)  Torque 
C)  A force parallel to the motion 
D)  Inertia 
A)  Linear momentum 
B)  Torque 
C)  A force parallel to the motion 
D)  Inertia

Question 7

To increase the force of gravity between two masses by a factor of 9, how would the objects have to be moved?

Accepted Answer

3 times cl

Question 8

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 9

If an object of mass 9 kg has a velocity of 7 m/s, what is its linear momentum?

Accepted Answer

A)  63 kg-m/s 
B)  1.3 kg-m/s 
C)  0.78 kg-m/s 
D)  16 kg-m/s 
E)  cannot be determined 
A)  63 kg-m/s 
B)  1.3 kg-m/s 
C)  0.78 kg-m/s 
D)  16 kg-m/s 
E)  cannot be determined

Question 10

According to Newton's second law, the force required to accelerate an object is equal to

Accepted Answer

A)  its acceleration divided by its mass. 
B)  its mass times the acceleration. 
C)  its mass divided by the velocity. 
D)  its weight times the velocity. 
A)  its acceleration divided by its mass. 
B)  its mass times the acceleration. 
C)  its mass divided by the velocity. 
D)  its weight times the velocity.

Question 11

It is generally easier to push an object once it is moving than when you are getting it started. This is because

Accepted Answer

A)  sliding friction is zero. 
B)  sliding friction is less than static friction. 
C)  static friction is less than sliding friction. 
D)  static friction is zero. 
A)  sliding friction is zero. 
B)  sliding friction is less than static friction. 
C)  static friction is less than sliding friction. 
D)  static friction is zero.

Question 12

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

Accepted Answer

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

Question 13

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 14

"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 15

To cause an object to move in a circle, a ______________ force is necessary.

Accepted Answer

A)  balanced 
B)  functional 
C)  centripetal 
D)  centrifugal 
A)  balanced 
B)  functional 
C)  centripetal 
D)  centrifugal

Question 16

An object will ______________ in a fluid if its average density is ______________ the density of the fluid.

Accepted Answer

A)  float; greater than 
B)  float; less than 
C)  sink; less than 
D)  sink; equal to 
A)  float; greater than 
B)  float; less than 
C)  sink; less than 
D)  sink; equal to

Question 17

The speed of a comet in its orbit around the Sun is ______________ when its distance from the Sun is least (perihelion).

Accepted Answer

A)  zero 
B)  reversed 
C)  greatest 
D)  least 
A)  zero 
B)  reversed 
C)  greatest 
D)  least

Question 18

"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 19

A constant net force acting on an object that is free to move will produce a constant

Accepted Answer

A)  speed. 
B)  velocity. 
C)  displacement. 
D)  acceleration. 
E)  distance. 
A)  speed. 
B)  velocity. 
C)  displacement. 
D)  acceleration. 
E)  distance.

Question 20

Which of the following would be the same for a person on the Moon rather than on Earth?

Accepted Answer

A)  Maximum jumping height 
B)  Weight 
C)  The amount of time for an object to fall 2 meters from rest 
D)  Mass 
E)  Gravitational acceleration 
A)  Maximum jumping height 
B)  Weight 
C)  The amount of time for an object to fall 2 meters from rest 
D)  Mass 
E)  Gravitational acceleration

Newton's law of gravitation applies to all ______________.

When you push on a stationary object and it doesn't move, what kind of force is most likely to be opposing your efforts?

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

If an unbalanced force of 5 N force acts on a 8-kg object, what is its acceleration?

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

What must be exerted on an object to change the angular momentum?

To increase the force of gravity between two masses by a factor of 9, how would the objects have to be moved?

The SI base units making up the newton are

If an object of mass 9 kg has a velocity of 7 m/s, what is its linear momentum?

According to Newton's second law, the force required to accelerate an object is equal to

It is generally easier to push an object once it is moving than when you are getting it started. This is because

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

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?

"Weightlessness" occurs when an object

To cause an object to move in a circle, a ______________ force is necessary.

An object will in a fluid if its average density is the density of the fluid.

The speed of a comet in its orbit around the Sun is ______________ when its distance from the Sun is least (perihelion).

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

A constant net force acting on an object that is free to move will produce a constant

Which of the following would be the same for a person on the Moon rather than on Earth?

Temperature and Heat

Waves and Sound

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 Geology and Plate Tectonics

Minerals Rocks and Volcanoes

Surface Processes

Geologic Time

Filters

Exam 3: Optics and Wave Effects

Newton's law of gravitation applies to all ______________.

When you push on a stationary object and it doesn't move, what kind of force is most likely to be opposing your efforts?

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

If an unbalanced force of 5 N force acts on a 8-kg object, what is its acceleration?

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

What must be exerted on an object to change the angular momentum?

To increase the force of gravity between two masses by a factor of 9, how would the objects have to be moved?

The SI base units making up the newton are

If an object of mass 9 kg has a velocity of 7 m/s, what is its linear momentum?

According to Newton's second law, the force required to accelerate an object is equal to

It is generally easier to push an object once it is moving than when you are getting it started. This is because

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

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?

"Weightlessness" occurs when an object

To cause an object to move in a circle, a ______________ force is necessary.

An object will ______________ in a fluid if its average density is ______________ the density of the fluid.

The speed of a comet in its orbit around the Sun is ______________ when its distance from the Sun is least (perihelion).

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

A constant net force acting on an object that is free to move will produce a constant

Which of the following would be the same for a person on the Moon rather than on Earth?

Temperature and Heat

Waves and Sound

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 Geology and Plate Tectonics

Minerals Rocks and Volcanoes

Surface Processes

Geologic Time

Filters

An object will in a fluid if its average density is the density of the fluid.