The Model $\sqrt { \hat { s t r } } = 12 + 20 \mathrm { dia }$

question 113

Multiple Choice

The model $\sqrt { \hat { s t r } } = 12 + 20 \mathrm { dia }$ can be used to predict the breaking strength of a rope (in pounds) from
Its diameter (in inches) . According to this model, how much force should a rope one-half inch in
Diameter be able to withstand?

• A) 22 lbs
• B) 484 lbs
• C) 4.7 lbs
• D) 256 lbs
• E) 16 lbs

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