A Shopper Steps on an Escalator Moving Downward at a Constant

question 45

Multiple Choice

A shopper steps on an escalator moving downward at a constant speed toward the bargain basement in a large department store.On his way down,the normal force exerted on him by the step of the escalator is

• A)greater than his weight when he is off the escalator.
• B)equal to his weight when he is off the escalator.
• C)less than his weight when he is off the escalator.
• D)dependent on how fast the escalator is moving.
• E)unknown; insufficient information is given to answer correctly.

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Definitions:

Foreign Exchange

Trading one currency for another or transforming one currency into a different currency.

Exchange Rate

The value of one currency for the purpose of conversion to another, indicating how much one country's currency is worth in terms of another's.

Foreign Exchange Rates

The price of one country's currency expressed in another country's currency, determining how much one currency is worth in terms of another.

Equality

The state of being equal, especially in status, rights, and opportunities.