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Course: AP PHYSICS 1
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AP PHYSICS 1

1. Kinematics

0/29

2. Force and Translational Dynamics

0/73

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

2.7.1 Hooke’s Law – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
A spring with k = 150 N/m is stretched by 0.20 m. The spring force is:
30 N
3.0 N
750 N
0.0013 N
2.
The gradient of a graph of spring force (y) against extension (x) is:
1/k
k
k^2
Zero
3.
A mass of 0.50 kg hangs on a spring and the extension is 0.10 m. Which value is closest to k?
5 N/m
0.49 N/m
49 N/m
4.9 N/m
4.
A block on a frictionless horizontal spring is released from rest at a stretch. Its acceleration is:
Constant
Zero at release
Greatest at equilibrium
Greatest at release and zero at equilibrium
5.
A spring is stretched by 2.0 cm with a force of 8.0 N. What force stretches it by 6.0 cm (within the proportional limit)?
16 N
24 N
32 N
12 N
6.
The minus sign in F = −kΔx means:
The spring constant is negative
The spring is compressed
The force is zero
The force is opposite to the displacement
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Part of 2. Force and Translational Dynamics — see every lesson and quiz in this unit.
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