3.3-2 When drilling a hole in a table leg, a furniture maker uses a hand-operated drill (see figure) with a bit of diameter d= 4.0 mm. (a) If the resisting torque supplied by the table leg is equal to 0.3 N-m, what is the maximum shear stress in the drill bit? (b) If the shear modulus of clasticity of the steel is G= 75 GPa, what is the rate of twist of the drill bit (degrees per meter)?

3.3-2 When drilling a hole in a table leg, a furniture maker uses a hand-operated drill (see figure) with a bit of diameter d= 4.0 mm. (a) If the resisting torque supplied by the table leg is equal to 0.3 N-m, what is the maximum shear stress in the drill bit? (b) If the shear modulus of clasticity of the steel is G= 75 GPa, what is the rate of twist of the drill bit (degrees per meter)?

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.3.6P: When drilling a hole in a table leg, a furniture maker uses a hand-operated drill (see figure) with...

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