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Course: AP PHYSICS 1
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AP PHYSICS 1

1. Kinematics

0/29

2. Force and Translational Dynamics

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3. Work, Energy, and Power

0/31

4. Linear Momentum

0/29

5. Torque and Rotational Dynamics

0/37

6. Energy and Momentum of Rotating Systems

0/27

7. Oscillations

0/21

8. Fluids

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Quiz

2.8.2 Acceleration in Circular Motion – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
A car goes round a bend of radius 40 m at 20 m/s. Its centripetal acceleration is:
0.50 m/s^2
10 m/s^2
800 m/s^2
2.0 m/s^2
2.
The speed of a body in circular motion is doubled and the radius kept the same. The centripetal force:
Doubles
Halves
Quadruples
Stays the same
3.
A 2.0 kg mass moves at 3.0 m/s in a circle of radius 1.5 m. The net force is:
4.0 N
6.0 N
18 N
12 N
4.
The direction of the acceleration in uniform circular motion is:
Toward the center
Tangent to the circle
Away from the center
Along the velocity
5.
A satellite in circular orbit has its orbital radius increased. Its orbital speed:
Increases
Stays the same
Decreases
Becomes zero
6.
A graph of centripetal force against v^2 (fixed m and r) has gradient:
m/r
m r
r/m
m v
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Part of 2. Force and Translational Dynamics — see every lesson and quiz in this unit.
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