Question: While drilling a hole with a brace and bit, you exert a downward force P = 25lb on the handle of the brace (see figure).

While drilling a hole with a brace and bit, you exert a downward force P = 25lb on the handle of the brace (see figure).
The diameter of the crank arm is d = 7/16in. and its lateral offset is b = 4-7/8 in.
Determine the maximum tensile and compressive stresses Ïƒ1 and Ïƒc, respectively, in the crank.

P 25 lb dn 16 b -4g in.

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