A Horizontal Uniform Meter Stick Supported at the 50-Cm Mark

question 1

Multiple Choice

A horizontal uniform meter stick supported at the 50-cm mark has a mass of 0.50 kg hanging from it at the 20-cm mark and a 0.30 kg mass hanging from it at the 60-cm mark. Determine the position on the meter stick at which one would hang a third mass of 0.60 kg to keep the meter stick balanced.

• A) 74 cm
• B) 70 cm
• C) 65 cm
• D) 86 cm
• E) 62 cm

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Definitions:

Concentration

The measure of the amount of a sub-component (especially solute) contained in a solution.

Relaxation

The process of becoming less tense, stressed, or rigid, both in a physical and psychological sense.

Amplitude

The height or depth of a wave from the average level to the peak or trough, indicating the strength or intensity of the wave.

Microvolts

A unit of electric potential equal to one millionth of a volt, often used in measuring the electrical activity of neurons and muscles.