A Box Rests on a Rough Board 10 Meters Long

question 19

Multiple Choice

A box rests on a rough board 10 meters long.When one end of the board is slowly raised to a height of 6 meters above the other end, the box begins to slide.The coefficient of static friction is:

• A)0.8
• B)0.25
• C)0.4
• D)0.6
• E)0.75

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Definitions:

Standard Deviation

A statistical measure that quantifies the dispersion or variation of a set of numerical data from its average.

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A measure of a stock's volatility in relation to the overall market, indicating its risk level in comparison to the market average.