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MMLU-Pro / 9867 / A boy who is holding a suitcase stands in an elevator. The elevator has an…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A boy who is holding a suitcase stands in an elevator. The elevator has an acceleration A^\ding{217}, which may be directed upward (A^\ding{217}. positive) or downward (A^\ding{217} negative). What force does the suitcase exert on the boy's hand?

category

physics

options

  1. A/(mg)
  2. m(g + A)
  3. m(A/g)
  4. mg/A
  5. m(A - g)
  6. m(g - A)
  7. m(2g + A)
  8. mg + A
  9. A/mg
  10. m(g/A)

src

stemez-Mechanics

Discussion

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Source and history

upstream_id / Original problem ID
9867
task_id
e8cfb03c-1ad7-5999-a654-42a41f0061d9
task_key
default--test--9867
task_revision_id
1
config / split
default / test

Official source

initial import