A hollow shaft has outside diameter 120 mm and thickness 20 mm. Find the polar moment of inertia (J). Options: A . &nbsp16.36 × 10⁶ mm⁴ B . &nbsp14.65 × 10⁶ mm⁴ C . &nbsp10.32 × 10⁶ mm⁴ D . &nbsp23.18 × 10⁶ mm⁴

A hollow shaft has outside diameter 120 mm and thickness 20 mm. Find the polar m

Question

A hollow shaft has outside diameter 120 mm and thickness 20 mm. Find the polar moment of inertia (J).

Options:

A . 16.36 × 10⁶ mm⁴

B . 14.65 × 10⁶ mm⁴

C . 10.32 × 10⁶ mm⁴

D . 23.18 × 10⁶ mm⁴

Answer: Option A
Answer: (a).16.36 × 10⁶ mm⁴

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