There was a brief period through the 1960s into the 1970s when the last word in electronics was the calculator. New models sold for hundreds of dollars, and owning one made you very special indeed.

Students learn to determine the mechanical advantage and efficiency of machines. Machines and Energy: Students learn to determine the mechanical advantage and efficiency of machines and to define, ...

levers use mechanical advantage to make lifting or applying pressure easier the three main parts of a lever are the effort (input force), fulcrum (pivot point), and load (output force) there are three ...