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- 1. Multiple Choice
A satellite revolves around the Earth with a period of 90 minutes. What is the angular velocity of the satellite?
0.001 rad/s
0.010 rad/s
0.100 rad/s
1.000 rad/s
- 2. Multiple Choice
A satellite revolves around the Earth with a period of 90 minutes. What is the angular displacement of the satellite one hour after the satellite launched from the Earth?
⅓ℼ radians
⅔ℼ radians
ℼ radians
1 ⅓ℼ radians
- 3. Multiple Choice
What is the dimension of gravitational constant G? Hint: M is the dimension of mass, L is the dimension of length, and T is the dimension of time.
ML²T²
M³L³T⁻²
M⁻¹L³T⁻²
M²L3T⁻²
- 4. Multiple Choice
Which of the following statements is not true about uniform circular motion?
The centripetal acceleration is always perpendicular to the linear (tangential) velocity and directed to the center of the orbit.
The radius of the orbit is constant.
The SI unit for both linear velocity and angular velocity is m/s.
None of the above.
- 5. Multiple Choice
What is the ratio of angular velocity of hour and minute hands of a clock?
1:1
1:12
1:36
1:60
- 6. Multiple Choice
Rank from the lowest to highest gravitational force of the given systems.
Universe, Local Cluster, Super Cluster, Milky Way Galaxy, Solar System, Sun, Earth.
Earth, Sun, Solar System, Milky Way Galaxy, Local Cluster, Super Cluster, Universe.
Sun, Earth, Milky Way Galaxy, Solar System, Local Cluster, Super Cluster, Universe.
Earth, Sun, Milky Way Galaxy, Solar System, Local Cluster, Super Cluster, Universe.
- 7. Multiple Choice
Which of the following factors would not cause differences between actual gravitational acceleration and gravitational acceleration given by a=GM/r²?
Earth is rotating.
Earth is not a perfect sphere.
Earth’s mass is not uniformly distributed.
Earth contains water.
- 8. Multiple Choice
The magnitude of gravitational force between two objects is….
Proportional to square of the distance between the objects.
Proportional to square of the masses of the objects.
Inversely proportional to the distance between the objects.
Inversely proportional to the square of the distance between the objects.
- 9. Multiple Choice
One-sixth of a revolution is….
⅓ℼ radians
⅔ℼ radians
ℼ radians
1 ⅓ℼ radians
- 10. Multiple Choice
The Moon is the satellite of the Earth. The Moon has a …. gravity than the Earth.
Weaker
Stronger
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