# What is the gravitational potential energy of a # 7 kg# object on a shelf # 2/5 m # high?

##### 1 Answer

Dec 19, 2015

27.44 Joules

#### Explanation:

The formula for gravitational potential energy is

In this calculation I'm assuming the gravitational field strength

This is the amount of work that would have to be done to lift the object from ground level onto the shelf.