# What is the gravitational potential energy of a  2 kg object on a shelf  1/2 m  high?

Mar 13, 2018

$\text{9.8 Joule}$

#### Explanation:

Potential energy ($\text{U}$) is given by

$\text{U = mgh}$

$\text{U" = cancel(2)\ "kg × 9.8 m/s"^2 × 1/cancel(2)\ "m" = "9.8 Joule}$