The figure below shows a hydraulic press supporting a load F.
- What properties of liquids make them suitable for use in hydraulic machines such as the one above?
- If A and a are areas of cross-section of the pistons, and the lengths of the arm are as given, find:
- The force Fa
- The mechanical advantage
- The efficiency of the machine
- State two reasons why the efficiency of a pulley system is always less than 100%