Question 1

Define and distinguish among the terms speed, velocity, and acceleration.

Accepted Answer

Speed is the pace at which an object mov

Question 2

Figure 5-1
Consider the accompanying figure (Figure 5-1) . Due to the curvature of space-time by the Sun, light from stars that pass near the edge of the sun will ____.

Accepted Answer

A)  be bent so that the stars appear further from the edge of the Sun 
B)  be bent so that the stars appear closer to the edge of the Sun 
C)  be bent so that the stars are no longer visible 
D)  be bent so that the stars will appear intermittently 
E)  not be affected by the curvature of space-time 
A)  be bent so that the stars appear further from the edge of the Sun 
B)  be bent so that the stars appear closer to the edge of the Sun 
C)  be bent so that the stars are no longer visible 
D)  be bent so that the stars will appear intermittently 
E)  not be affected by the curvature of space-time

Question 3

According to Galileo, the acceleration of a freely falling object due to gravity is ____.

Accepted Answer

A)  larger if the object is dropped from a greater height 
B)  smaller if the object is dropped from a greater height 
C)  larger if the mass of the object is larger 
D)  smaller if the mass of the object is larger 
E)  the same regardless of the mass and the height from which it is dropped 
A)  larger if the object is dropped from a greater height 
B)  smaller if the object is dropped from a greater height 
C)  larger if the mass of the object is larger 
D)  smaller if the mass of the object is larger 
E)  the same regardless of the mass and the height from which it is dropped

Question 4

What is the circular velocity of an object orbiting Earth at a distance of 100,000 km from Earth's center? Hint:   ; G = 6.67 × 10S1U1P1 -11S1S1P0 mS1U1P13 S1S1P0/sS1U1P12S1S1P0 /kg;  MS1U1B1E S1U1B0= 5.97 × 10S1U1P124S1S1P0 kg.

Accepted Answer

A)  0.2 m/s 
B)  2 m/s 
C)  20 m/s 
D)  200 m/s 
E)  2,000 m/s 
A)  0.2 m/s 
B)  2 m/s 
C)  20 m/s 
D)  200 m/s 
E)  2,000 m/s

Question 5

Mutual gravitation is ____.

Accepted Answer

A)  a type of force that acts on an object moving at constant speed 
B)  the acceleration of an object in the absence of a force 
C)  a property of all matter in the universe 
D)  the limit of gravitational force from one object to another 
E)  a type of force that repels surrounding particles 
A)  a type of force that acts on an object moving at constant speed 
B)  the acceleration of an object in the absence of a force 
C)  a property of all matter in the universe 
D)  the limit of gravitational force from one object to another 
E)  a type of force that repels surrounding particles

Question 6

A(n) ____ orbit is one where the orbiting object is always above the same location on Earth's surface.

Accepted Answer

A)  closed 
B)  elliptical 
C)  geosynchronous 
D)  hyperbolic 
E)  parabolic 
A)  closed 
B)  elliptical 
C)  geosynchronous 
D)  hyperbolic 
E)  parabolic

Question 7

How did Aristotle describe gravity and in what context?

Accepted Answer

Aristotle believed that objects fall dow

Question 8

The importance of the general theory of relativity lies in its description of ____.

Accepted Answer

A)  acceleration 
B)  gravity 
C)  mass 
D)  space-time 
E)  velocity 
A)  acceleration 
B)  gravity 
C)  mass 
D)  space-time 
E)  velocity

Question 9

A comet near the Sun whose orbit is ____ would never be near the Sun again.

Accepted Answer

A)  apogee 
B)  circular 
C)  elliptical 
D)  hyperbolic 
E)  radial 
A)  apogee 
B)  circular 
C)  elliptical 
D)  hyperbolic 
E)  radial

Question 10

What is an example of the conservation of angular momentum?

Accepted Answer

A)  A volleyball player serves a ball and it follows a parabolic path. 
B)  A baseball player strikes the ball with the bat 
C)  A cross-country skier accelerates as she moves in a straight line 
D)  A skateboarder maintains the same velocity in the same direction 
E)  A diver brings his arms and legs closer to his body 
A)  A volleyball player serves a ball and it follows a parabolic path. 
B)  A baseball player strikes the ball with the bat 
C)  A cross-country skier accelerates as she moves in a straight line 
D)  A skateboarder maintains the same velocity in the same direction 
E)  A diver brings his arms and legs closer to his body

Question 11

There is no gravity in space.

Accepted Answer

A) True 
 B)False

Question 12

Galileo believed that motion stops in the absence of a force.

Accepted Answer

A) True 
 B)False

Question 13

The resistance of matter to changes in motion is known as _______________.

Accepted Answer

The answer of The resistance of matter to changes in...

Question 14

Newton concluded that some force must act on the Moon because ____.

Accepted Answer

A)  a force is needed to pull the Moon away from straight-line motion 
B)  a force is needed to pull the Moon outward 
C)  a force is needed to keep the Moon in motion 
D)  the Moon has at a constant velocity 
E)  the Moon has a constant acceleration 
A)  a force is needed to pull the Moon away from straight-line motion 
B)  a force is needed to pull the Moon outward 
C)  a force is needed to keep the Moon in motion 
D)  the Moon has at a constant velocity 
E)  the Moon has a constant acceleration

Question 15

The ______________ of the Moon's orbit is the location at which it is farthest from Earth.

Accepted Answer

The answer of The ______________ of the Moon's orbit is...

Question 16

The second postulate of special relativity states that ____.

Accepted Answer

A)  observers cannot detect their uniform motion except relative to other objects 
B)  observers cannot distinguish locally between inertial forces and uniform gravitational forces due to acceleration and the presence of a massive body 
C)  the laws of physics are the same for all observers regardless of their motion as long as their speed is constant 
D)  the speed of light is constant and will be the same for all observers independent of their motion relative to the light source 
E)  the acceleration of an object is proportional to the applied force and inversely proportional to its mass 
A)  observers cannot detect their uniform motion except relative to other objects 
B)  observers cannot distinguish locally between inertial forces and uniform gravitational forces due to acceleration and the presence of a massive body 
C)  the laws of physics are the same for all observers regardless of their motion as long as their speed is constant 
D)  the speed of light is constant and will be the same for all observers independent of their motion relative to the light source 
E)  the acceleration of an object is proportional to the applied force and inversely proportional to its mass

Question 17

The apparent positions of stars around the Sun during an eclipse have been used to prove the general theory of relativity.

Accepted Answer

A) True 
 B)False

Question 18

How can tidal forces affect the rotation of celestial bodies and their orbital motion?

Accepted Answer

Earth rotates eastward, and friction wit

Question 19

The ____ of an object is a measure of the amount of matter it contains. The ____ is a measure of the gravitational force on an object.

Accepted Answer

A)  weight; mass 
B)  mass; weight 
C)  energy; force 
D)  force; energy 
E)  momentum; energy 
A)  weight; mass 
B)  mass; weight 
C)  energy; force 
D)  force; energy 
E)  momentum; energy

Question 20

How did Newton's Principia impact science?

Accepted Answer

After the  Principia was published, phys

Define and distinguish among the terms speed, velocity, and acceleration.

Figure 5-1 Consider the accompanying figure (Figure 5-1) . Due to the curvature of space-time by the Sun, light from stars that pass near the edge of the sun will ____.

According to Galileo, the acceleration of a freely falling object due to gravity is ____.

What is the circular velocity of an object orbiting Earth at a distance of 100,000 km from Earth's center? Hint: ; G = 6.67 × 10^-11 m³/s² /kg; M_E= 5.97 × 10²⁴ kg.

Mutual gravitation is ____.

A(n) ____ orbit is one where the orbiting object is always above the same location on Earth's surface.

How did Aristotle describe gravity and in what context?

The importance of the general theory of relativity lies in its description of ____.

A comet near the Sun whose orbit is ____ would never be near the Sun again.

What is an example of the conservation of angular momentum?

There is no gravity in space.

Galileo believed that motion stops in the absence of a force.

The resistance of matter to changes in motion is known as _______________.

Newton concluded that some force must act on the Moon because ____.

The ______________ of the Moon's orbit is the location at which it is farthest from Earth.

The second postulate of special relativity states that ____.

The apparent positions of stars around the Sun during an eclipse have been used to prove the general theory of relativity.

How can tidal forces affect the rotation of celestial bodies and their orbital motion?

The of an object is a measure of the amount of matter it contains. The is a measure of the gravitational force on an object.

How did Newton's Principia impact science?

Here and Now

A User S Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Light and Telescopes

Atoms and Spectra

The Sun

Origin of the Solar System and Extrasolar Planets

Earth the Active Planet

The Moon and Mercury: Comparing Airless Worlds

Venus and Mars

Jupiter and Saturn

Uranus Neptune Pluto and the Kuiper Belt

Meteorites Asteroids and Comets

Astrobiology: Life on Other Worlds

Filters

Exam 5: Gravity

Define and distinguish among the terms speed, velocity, and acceleration.

Figure 5-1 Consider the accompanying figure (Figure 5-1) . Due to the curvature of space-time by the Sun, light from stars that pass near the edge of the sun will ____.

According to Galileo, the acceleration of a freely falling object due to gravity is ____.

What is the circular velocity of an object orbiting Earth at a distance of 100,000 km from Earth's center? Hint: ; G = 6.67 × 10 -11 m3 /s2 /kg; ME = 5.97 × 1024 kg.

Mutual gravitation is ____.

A(n) ____ orbit is one where the orbiting object is always above the same location on Earth's surface.

How did Aristotle describe gravity and in what context?

The importance of the general theory of relativity lies in its description of ____.

A comet near the Sun whose orbit is ____ would never be near the Sun again.

What is an example of the conservation of angular momentum?

There is no gravity in space.

Galileo believed that motion stops in the absence of a force.

The resistance of matter to changes in motion is known as _______________.

Newton concluded that some force must act on the Moon because ____.

The ______________ of the Moon's orbit is the location at which it is farthest from Earth.

The second postulate of special relativity states that ____.

The apparent positions of stars around the Sun during an eclipse have been used to prove the general theory of relativity.

How can tidal forces affect the rotation of celestial bodies and their orbital motion?

The ____ of an object is a measure of the amount of matter it contains. The ____ is a measure of the gravitational force on an object.

How did Newton's Principia impact science?

Here and Now

A User S Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Light and Telescopes

Atoms and Spectra

The Sun

Origin of the Solar System and Extrasolar Planets

Earth the Active Planet

The Moon and Mercury: Comparing Airless Worlds

Venus and Mars

Jupiter and Saturn

Uranus Neptune Pluto and the Kuiper Belt

Meteorites Asteroids and Comets

Astrobiology: Life on Other Worlds

Filters

What is the circular velocity of an object orbiting Earth at a distance of 100,000 km from Earth's center? Hint: ; G = 6.67 × 10^-11 m³/s² /kg; M_E= 5.97 × 10²⁴ kg.

The of an object is a measure of the amount of matter it contains. The is a measure of the gravitational force on an object.