Compound lever the force of pushing back the stick to the levers and they rub against the wheels, using friction to slow and eventually stop the train. These are everyday applications of this mechanism. A piano key is a compound lever of the first-class, since the fulcrum is between the weight to be moved and the power. The purpose of this lever is to translate a small movement (depression of the key) into a larger and fast movement of the hammer on the strings. The quality of the resulting tone depends on whether the final speed is brought about by gradual or
Jake Lever Jake Lever Jake Lever (born 5 March 1996) is a professional Australian rules footballer playing for the Melbourne Football Club in the Australian Football League (AFL). A defender, tall and weighing , Lever plays primarily as a half-back and is known for his intercept marking and ability to read the play. Originally from Romsey, Victoria, he played top-level football at a young age when he played with the Calder Cannons in the TAC Cup, and represented and captained Victoria in the AFL Under 18 Championships as a bottom-aged player. He suffered a serious knee injury which forced him to miss