Question

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

a.

16.36 × 10⁶ mm⁴

b.

14.65 × 10⁶ mm⁴

c.

10.32 × 10⁶ mm⁴

d.

23.18 × 10⁶ mm⁴

Posted under Mechanics of Materials

Answer: (a).16.36 × 10⁶ mm⁴

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

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