Question

What is the moment of inertia of a pendulum with a mass of `5 kg` that is `4 m` from the pivot?

Answer 1

Moment of inertia `= 80 kg-m^2`

Explanation:

Moment of inertia `= mr^2`

Moment of inertia `= 5 xx 4^2`

Moment of inertia `= 5 xx 16`

Moment of inertia `= 80 kg-m^2`