An Ideal Spring, with a Pointer Attached to Its End

question 56

Multiple Choice

An ideal spring, with a pointer attached to its end, hangs next to a scale.With a 100-N weight attached, the pointer indicates "40" on the scale as shown.Using a 200-N weight instead results in "60" on the scale.Using an unknown weight X instead results in "30" on the scale.The weight of X is:

• A)20 N
• B)30 N
• C)40 N
• D)50 N
• E)75 N

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Definitions:

U.S. Dollars

The official currency of the United States, used as a standard monetary unit for transactions.

Japanese Yen

The official currency of Japan, abbreviated as JPY.

U.S. Dollar

The currency of the United States, used as the standard unit of currency in international markets.

Dollar Value

The worth of a product, service, or asset expressed in terms of the amount of currency required to purchase it.