An Ideal Spring, with a Pointer Attached to Its End

question 54

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:

Operating Systems

The software that manages all the hardware and software resources on a computer, providing a base for application programs and acting as an intermediary between the user and the computer hardware.

File

A collection of data or information that has a name, called a filename, and is stored on a computer or digital device.

Utility

Software designed to help manage, maintain, and control computer resources, such as system tools for optimizing performance.

Folder

A digital location for storing files on a computer or other electronic device.