Question

If mass of disc is 5 kg and radius 0.5 m, calculate moment of inertia of disc about tangent perpendicular to it's plane

Answer 1

Answer:

1.875 Kg m²

Explanation:

MOI of disc about Centre of mass=Mr²/2

moi about tangential axis = mr²/2 + mr²

= 3/2 Mr² = 3/2 ×5 × 0.25 = 1.875 Kg-m²