Here\'s my problem: The heels on a pair of women\'s shoes haveradii of .50cm at

Question

Here's my problem: The heels on a pair of women's shoes haveradii of .50cm at the bottom. If 30% of the wieght of a womanweighing 480N is supported by each heel, find the stress on eachheel? I thought you would use stress= elastic modulus x strainequation but apparently im wrong. I'm not sure where to go fromhere. Here's my problem: The heels on a pair of women's shoes haveradii of .50cm at the bottom. If 30% of the wieght of a womanweighing 480N is supported by each heel, find the stress on eachheel? I thought you would use stress= elastic modulus x strainequation but apparently im wrong. I'm not sure where to go fromhere.

Explanation / Answer

Radius of heels of women : 0.50 cm = 0.005 m Area of heel = R2                      = 3.14 * (0.005)2                       = 7.85 x 10-5   m2 Weigth of women = 480 N 30% of the wieght of a woman is :    (30/100) * 480   = 144N Force supported on each heel is   144N Now stress is :                         F / A   = F / R2   = 144 / 7.85 x 10-5                                                        = 1.8 x 106 Pa Hope this helps u!                                                        = 1.8 x 106 Pa Hope this helps u!

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