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Course: AP PHYSICS 1
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AP PHYSICS 1

1. Kinematics

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2. Force and Translational Dynamics

0/73

3. Work, Energy, and Power

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4. Linear Momentum

0/29

5. Torque and Rotational Dynamics

0/37

6. Energy and Momentum of Rotating Systems

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7. Oscillations

0/21

8. Fluids

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Quiz

2.5.3 Gravitational Field – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
The unit of gravitational field strength can be written as:
N kg
kg N^−1
N kg^−1
N m
2.
A 4.0 kg mass feels a gravitational force of 32 N at a point. The field strength there is:
128 N kg^−1
36 N kg^−1
0.13 N kg^−1
8.0 N kg^−1
3.
Compared with the field at the surface of a planet, the field at a distance 3R from its center is:
1/9
1/3
1/6
3 times as large
4.
Field lines near Earth's surface over a small region are drawn:
Radiating outward
Parallel and equally spaced, pointing down
Circular around the planet
Absent
5.
A plot of g against 1/r^2 for a planet is a straight line whose gradient equals:
M/G
G/M
1/(G M)
G M
6.
If the test mass is doubled at a given point, the gravitational field strength measured there:
Doubles
Stays the same
Halves
Becomes zero
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Part of 2. Force and Translational Dynamics — see every lesson and quiz in this unit.
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