A Person Weighting 700 N Stands in the Middle of an Otherwise

question 67

Multiple Choice

A person weighting 700 N stands in the middle of an otherwise empty 4 m x 5 m x 3 m room. How does the weight of the person compare with the weight of the air (the density of air is 1.29 kg/m³) in the room?

• A) The weight of the air is much more than the weight of the person.
• B) The weight of the air is about the same as the weight of the person.
• C) The weight of the air is much less than the weight of the person.
• D) It makes no sense to speak of weight for a gas like air.

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