# What is the moment of inertia of a pendulum with a mass of 6 kg that is 3 m from the pivot?

Mar 22, 2016

#### Answer:

$\text{moment of inertia :} I = 54$

#### Explanation:

$I : \text{moment of inertia of pendulum}$
$m : \text{mass of pendulum}$
$r : \text{length of the pivot arm}$
$I = m \cdot {r}^{2}$
$I = 6 \cdot {3}^{2}$
$I = 6 \cdot 9$
$I = 54$