Stars And Galaxies 10th Edition by Michael A. Seeds - Test Bank Instant Download - Complete Test Bank With Answers Sample Questions Are Posted Below True / False 1. Newton’s first law of motion is essentially a restatement of Galileo’s law of inertia. a. True b. False ANSWER: …
$19.99
Stars And Galaxies 10th Edition by Michael A. Seeds – Test Bank
Instant Download – Complete Test Bank With Answers
Sample Questions Are Posted Below
| True / False |
1. Newton’s first law of motion is essentially a restatement of Galileo’s law of inertia.
|
2. Aristotle believed that objects falling to the ground fall at a constant rate of speed.
|
3. Galileo believed that motion stops in the absence of a force.
|
4. Newtonian gravity is often called universal mutual gravitation because every particle with mass in the Universe must attract every other particle.
|
5. Changing the direction of a moving body does not impact its velocity.
|
6. The escape velocity at a given distance from a planet is less than the circular velocity of an orbit around that planet at the same distance.
|
7. The Moon pulls more strongly on Earth’s near and far side than on its center.
|
8. The apparent positions of stars around the Sun during an eclipse have been used to prove the general theory of relativity.
|
9. The neap tides occur at the new moon and full moon.
|
10. Spring tides occur during the new and full lunar phases.
|
11. Two objects in orbit around each other orbit their common center of mass.
|
12. Newton’s third law states that forces occur in pairs acting in the same direction.
|
13. If an object’s velocity equals or exceeds the escape velocity, it will follow a closed parabolic or hyperbolic orbit.
|
14. The second postulate of special relativity states that the speed of light, when measured in a vacuum, is constant for all observers.
|
15. Special relativity states the relationship between energy and mass as .
|
16. There is no gravity in space.
|
| Multiple Choice |
17. According to Aristotle, an object with no forces acting on it will ____.
|
18. In contradiction to the teachings of Aristotle, Galileo found that an object with no forces (and no friction) acting on it will ____.
|
19. According to Galileo, the acceleration of a freely falling object due to gravity is ____.
|
20. According to Aristotle, which scenario illustrates violent motion?
|
21. Galileo determined that ____.
|
22. Mutual gravitation is ____.
|
23. Newton concluded that some force must act on the Moon because ____.
|
24. When two objects of unequal mass orbit each other, the center of mass is ____.
|
25. 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.
|
26. Gravity obeys the inverse square law, which implies that the gravitational force of one body on another will be ____ times stronger at two meters than at six meters apart.
|
27. Perigee is the point in ____.
|
28. A comet near the Sun whose orbit is ____ would never be near the Sun again.
|
29. Newtonian physics tells us that Kepler’s second law is a result of the conservation of ____.
|
30. A(n) ____ orbit is one where the orbiting object is always above the same location on Earth’s surface.
|
31. Spring tides occur ____.
|
32. The circular velocity of a satellite orbiting Earth is given by . In this equation, M represents the ____.
|
33. The apogee of a(n) ____ orbit does not exist.
|
34. The radius of Earth is 6,378 km. The force of gravity on a 1-kg ball at Earth’s surface is 9.8 kg m/s2. What is the force of gravity on this same ball when the ball is located 12,756 km from Earth’s center? Hint: G = 6.67 × 10–11 m3/s2/kg
|
| 35. If the orbital velocity of the Moon is 1.0 km/s, what is the orbital velocity of a satellite that is 1/16th as far from Earth as the Moon?
Hints: There is a long way and a short way to do this calculation. ; G = 6.67 × 10–11 m3/s2/kg
|
| 36. What is the escape velocity from the Moon for a lunar landing module sitting on the Moon’s surface?
Hints: ; The mass of the Moon is 7.2 × 1022 kg; its radius is 1738 km; G = 6.67 × 10–11 m3/s2/kg
|
| 37. 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.
|
38. Spring tides occur at ____.
|
39. The equivalence principle can be best illustrated by ____.
|
40. According to the theory of general relativity, gravity is caused by the ____.
|
41. One of the first tests of the general theory of relativity was the ____.
|
42. The second postulate of special relativity states that ____.
|
43. Special relativity predicts that the observed mass of a moving particle depends on its ____.
|
44. According to the inverse square law, the force due to gravity between two masses will ____.
|
45. Newton’s law of gravitational force states that ____.
|
46. Which statement expresses Newton’s first law of motion?
|
47. An object’s momentum is equal to its ____.
|
48. The first postulate of special relativity states that ____.
|
49. The importance of the general theory of relativity lies in its description of ____.
|
50. Einstein revolutionized modern physics by ____.
|
51. The force due to the gravity between two objects depends on the ____,
|
52. As described by Kepler’s second law, an object in an elliptical orbit reaches its ____ velocity when it is as at ____.
|
| Figure 5-1 |
53. 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 ____.
|
54. What is an example of the conservation of angular momentum?
|
55. Newton’s second law of motion is represented by ____.
|
56. Kinetic energy refers to the energy of a(n)____.
|
57. The energy involved in the gravitational attraction between a planet and the Sun is called _______ energy.
|
58. The escape velocity of a planet which is twice the mass of the Earth is ______ times the escape velocity of the Earth.
|
59. A satellite orbiting a planet at a distance d above its surface moves ________ an object orbiting a distance 2d above the surface.
|
| Matching |
Match the terms below with the appropriate description or definition.
|
60. States that a gravitational field is a curvature of space-time caused by the presence of mass
|
61. A measure of an object’s amount of motion
|
62. A measure of an object’s mass along with its speed of rotation
|
63. The resistance of matter to changes in motion
|
64. Follows an elliptical path
|
65. Occurs without force
|
66. The amount of matter in a body
|
67. The velocity required to break free of an astronomical body
|
68. States that observers cannot detect their uniform motion through space through internal tests
|
69. States that the force of gravity is inversely proportional to the square of the distance between two masses
|
| Completion |
70. A ball is dropped from the top of a science building. After falling for three seconds, the speed of the ball would be _______________ m/s.
|
71. Newton’s first law of motion was very similar to descriptions of motion proposed by _______________.
|
72. The ______________ of the Moon’s orbit is the location at which it is farthest from Earth.
|
73. _______________ occur when tides caused by the Sun and Moon partially cancel out.
|
74. The _______________ states that an observer cannot distinguish locally the difference between inertial forces due to acceleration and uniform gravitational forces due to the presence of a massive object.
|
75. The term _______________ refers to a change in velocity.
|
76. The velocity required to escape an astronomical body is known as the _______________.
|
77. According to __________, _______________ motion occurs when natural motion has to be sustained by a force.
|
78. The resistance of matter to changes in motion is known as _______________.
|
79. An object in a closed orbit under the influence of an attractive force that follows the inverse square law must behave a(n) _______________ path.
|
| Subjective Short Answer |
80. How did Aristotle describe gravity and in what context?
|
81. Define and distinguish among the terms speed, velocity, and acceleration.
|
82. How did Newton clarify prior laws of planetary motion?
|
83. Why does the circular velocity of an Earth satellite depend on the distance from Earth’s center?
|
84. How can tidal forces affect the rotation of celestial bodies and their orbital motion?
|
| Essay |
85. Describe two experiments that provide evidence of space-time curvature by the presence of a mass.
|
86. Explain why the term acceleration is important to the first postulate of special relativity.
|
87. How does gravity explain the presence of the tides we experience on Earth?
|
88. Explain why the spring and neap tides occur periodically.
|
89. How did Newton’s Principia impact science?
|
Original price was: $30.00.$20.00Current price is: $20.00.
Original price was: $30.00.$20.00Current price is: $20.00.
Original price was: $30.00.$20.00Current price is: $20.00.
Original price was: $30.00.$20.00Current price is: $20.00.
Original price was: $30.00.$20.00Current price is: $20.00.
Original price was: $30.00.$20.00Current price is: $20.00.
