Question Detail

PHY 101 PHY 101 Past Questions Objective Question

Question

Calculate the moment of inertia of a solid cylinder of mass 10 kg and diameter 4 m about an axis through the centre.
Options
A 16 kg·m²
B 40 kg·m²
C 10 kg·m²
D 20 kg·m²
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

Radius r = 2 m. I = ½MR² = ½ × 10 × 4 = 20 kg·m².

Hint

I_solid cylinder = ½MR².

Question Info