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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

2.2.4 Translational Equilibrium – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Which describes an object in translational equilibrium?
It must be at rest
No forces act on it
Its velocity is zero
Its acceleration is zero
2.
A 6.0 kg lamp hangs from a single vertical cord. The tension is:
59 N
6.0 N
29 N
0 N
3.
A skydiver falls at terminal velocity. The air resistance is:
greater than the weight
equal to the weight
less than the weight
zero
4.
A ball at the top of its path (thrown vertically) is:
in equilibrium because v = 0
in equilibrium because a = 0
not in equilibrium
in static equilibrium
5.
A load hangs from two symmetric cables at an angle θ above the horizontal. As θ decreases the tension:
decreases
stays the same
becomes zero
increases
6.
A 20 kg block rests on a 30° incline. The static friction force is:
98 N
170 N
196 N
0 N
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Part of 2. Force and Translational Dynamics — see every lesson and quiz in this unit.
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