# What is the gravitational potential energy of a  1 kg object on a shelf  1/8 m  high?

Feb 20, 2016

#### Answer:

$1.225$ Joules

#### Explanation:

Potential energy $P E$ is given by $m \cdot g \cdot h$ where $m$ is mass in kg, $g$ is acceleration due to gravity $9.8 \frac{m}{s} ^ 2$ and $h$ is height in meters.

Hence $P E$ is $1 \cdot \frac{1}{8} \cdot 9.8$ or $1.225$ Joules.