Work Done in Lifting an Object
### Formula
$$W=mgh$$
### Terminologies
- W → Work done by external force.
- m → Mass of object.
- h → Height raised.
### Conditions / Special Cases
Work done by gravity:
$$W_g=-mgh$$
Work done by external force:
$$W_{ext}=mgh$$
### Usage
- Used in gravitational potential energy problems.