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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

0/30
Quiz

2.5.7 Apparent Weight – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
An elevator moves upward at a steady speed. A scale shows:
More than mg
Less than mg
mg
Zero
2.
An elevator slows down while still moving upward. Apparent weight is:
Greater than mg
Equal to mg
Zero
Less than mg
3.
A 70 kg person in an elevator accelerating upward at 1.0 m/s^2 has apparent weight closest to:
756 N
616 N
686 N
70 N
4.
What is the scale reading in a freely falling elevator?
mg
Zero
2mg
m/g
5.
Astronauts in orbit feel weightless because:
Gravity is zero there
The Moon cancels gravity
Air pressure is zero
They are in free fall with their spacecraft
6.
A rider on a roller coaster at the bottom of a dip experiences N:
Equal to mg
Greater than mg
Less than mg
Zero
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Part of 2. Force and Translational Dynamics — see every lesson and quiz in this unit.
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