Can I Jump from a Freefalling Elevator?

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    Elevator Falling
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Discussion Overview

The discussion centers around the question of whether a person can jump inside a free-falling elevator. Participants explore the implications of free fall, terminal velocity, and the physics of jumping in a non-inertial frame.

Discussion Character

  • Exploratory
  • Debate/contested
  • Technical explanation

Main Points Raised

  • Some participants argue that jumping in a free-falling elevator is possible, as one can launch off the floor while experiencing no force relative to the elevator.
  • Others contend that the maximum speed of the elevator is irrelevant, emphasizing that free fall means experiencing weightlessness regardless of speed.
  • Some suggest that the concept of terminal velocity is misunderstood, noting that the elevator would not be accelerating at terminal velocity, thus not creating a weightless experience.
  • A few participants highlight the analogy of a spaceship in orbit, suggesting that conditions inside a falling elevator are similar to those in a spacecraft, where one can move freely without feeling weight.
  • One participant proposes two scenarios: one where the elevator separates from the person before reaching terminal velocity, allowing a jump, and another where the elevator maintains contact throughout the fall.
  • Another participant challenges the idea that the elevator would fall faster than the person, referencing Galileo's principle that all objects fall at the same rate in a vacuum.

Areas of Agreement / Disagreement

Participants express differing views on the conditions under which jumping in a free-falling elevator is possible. There is no consensus on the implications of terminal velocity or the mechanics of jumping while in free fall.

Contextual Notes

The discussion reveals confusion regarding the definitions of free fall and terminal velocity, as well as the conditions that lead to weightlessness. Some participants suggest that the original question may have been poorly worded, contributing to misunderstandings.

  • #31
cyrusabdollahi said:
Those are due to two different effects
Obviously, but I think you will find most people don't realize that. There seems to be a common misconception that the effect of gravity declines rapidly and that going 300 miles straight up into space would render you weightless.
 
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  • #32
ENTER, STAGE LEFT--PF. That's what we're here for. :biggrin:
 

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