Remember torques?
Classical Mechanics
Level
1
A hollow shaft has an inner diameter of 0.035 m and an outer diameter of 0.06 m. Compute the torque (In N*m) if the shear stress is not to exceed 120 Mpa.
The answer is 4500.
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1 solution
For hollow shafts: use the formula 16TD/(pi(D^4-d^4))=S(shearing) where D=outer diameter, d=smaller diameter T= torque.