The object that a machine is lifting or moving is called the load.

Here are some other terms that might be used:

* Payload: This refers to the maximum weight the machine can safely lift or move.

* Cargo: This is often used for goods being transported by a machine, especially in a vehicle.

* Material: This is a general term for the substance being lifted or moved.

The specific term used will depend on the context and the type of machine involved.