Differentiate between first-order lever and second order lever

Differentiate between first-order lever and second order lever.

Differences between first order lever and second order lever:

First order lever Second order lever
* The fulcrum is in the middle between the power § and the weight (W). * The weight (W) is in the middle between the power § and the fulcrum.
* Example: Resting of skull on first and second neck vertebrae. * Example: Gastrocnemius muscle raising weight of the body on the toes.