Exam 6 Physics Numbers 6-10 2016-2017
.
- 1.
6. When calculating the gravitational force between two extended bodies, you should measure the distance
- A.
From the closest points on each body.
- B.
From the most distant points on each body.
- C.
From the center of each body.
- D.
From the center of one body to the closest point on the other body.
Correct Answer
C. From the center of each body. -
- 2.
7. What is the centripetal force that holds planets in orbit?
- A.
Inertia
- B.
Gravitational force
- C.
Planetary force
- D.
Kepler’s force
Correct Answer
B. Gravitational force -
- 3.
8. The force that Earth exerts on the moon
- A.
Is greater than the force the moon exerts on Earth.
- B.
Is less than the force the moon exerts on Earth.
- C.
Is equal in magnitude to the force the moon exerts on Earth.
- D.
Causes tides.
Correct Answer
C. Is equal in magnitude to the force the moon exerts on Earth. -
- 4.
9. How does the gravitational force between two objects change if the distance between the objects doubles?
- A.
The force decreases by a factor of 4.
- B.
The force decreases by a factor of 2.
- C.
The force increases by a factor of 2.
- D.
The force increases by a factor of 4.
Correct Answer
A. The force decreases by a factor of 4. -
- 5.
10. The law of universal gravitation states that
- A.
Two objects always exert gravitational forces on each other.
- B.
The force of gravity depends on the mass and the distance between the two objects.
- C.
All objects fall at different rates on earth.
- D.
Two objects always exert gravitational forces on each other and the force of gravity depends on the mass and the distance between the two objects.
Correct Answer
D. Two objects always exert gravitational forces on each other and the force of gravity depends on the mass and the distance between the two objects. -
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Mar 21, 2022Quiz Edited by
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Mar 10, 2016Quiz Created by
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