MCQ
Identify the action involved in opening or shutting a door:
  • A
    Pulling
  • B
    Pushing
  • Both $a$ and $b$
  • D
    None of the above

Answer

Correct option: C.
Both $a$ and $b$
We need to apply a $PULL$ when trying to open a door.
We need to apply a $PUSH$ when trying to close a door.

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