Upload and download speed is also affected by the distance between your computer and the server that is either sending or receiving data. In general, the greater the distance the slower the speed of the data transfer.
Work can be defined as transfer of energy. In physics we say that work is done on an object when you transfer energy to that object. If one object transfers (gives) energy to a second object, then the first object does work on the second object.
Work. refers to an activity involving a force and movement in the directon of the force. A force of 20 newtons pushing an object 5 meters in the direction of the force does 100 joules of work.