Rotational Inertia of Different Objects Multiple Choice Questions (MCQ) PDF Download

MCQ : If M is the mass of object and L is length, then rotational inertia of thin rod about axis through center perpendicular to length is

1. 1/2 ML
2. 1/2 ML²
3. 1/12 ML²
4. 1/4 ML²

MCQ 1: If M is the mass of object and R is radius, then rotational inertia of hoop about any diameter is

1. 2/5 MR²
2. 2/3 MR²
3. 2/3 MR²
4. 1/2 MR²

MCQ 2: If M is the mass of object, a is width of slab and b is length of slab, then rotational inertia of slab about perpendicular axis through center is

1. 1/2 M(a+b)
2. 1/12 M(a²+b² )
3. 1/2 M(a²+b² )
4. 1/4 M(a²+b² )

MCQ 3: If M is the mass of object and L is length, then rotational inertia of thin rod about axis at one end is

1. 1/2 ML²
2. 1/2 ML
3. 1/3 ML²
4. 1/4 ML²

MCQ 4: If M is the mass of object and R is radius, then rotational inertia of solid sphere about axis on surface is

1. 7/5 MR²
2. 7/5 MR³
3. 1/5 MR²
4. 2/5 MR²