You Are Standing on a Bathroom Scale in an Elevator

question 1

Multiple Choice

You are standing on a bathroom scale in an elevator that is not moving and it reads 500 N.The elevator then moves downward at a constant velocity of 4.50 m/s.What does the scale read?

• A) 100 N
• B) 450 N
• C) 500 N
• D) 750 N
• E) 250 N

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Definitions:

Trachea

The windpipe; a large membranous tube reinforced by rings of cartilage, extending from the larynx to the bronchial tubes and conveying air to and from the lungs.

Epiglottis

A leaf-shaped flap of cartilage located at the root of the tongue that prevents food and liquid from entering the windpipe during swallowing.

Pandemic

A widespread occurrence of an illness across a large region affecting a significantly large portion of the population.

Epidemic

A disease affecting large numbers of individuals in a population.