A hydraulic press has a ram of 25 cm diameter and a plunger of 25 mm diameter. The plunger has a stroke of 25 cm and makes 30 strokes per minute. If a weight of 40 kN is to be lifted by the press find...

A hydraulic press has a ram of 25 cm diameter and a plunger of 25 mm diameter. The plunger has a stroke of 25 cm and makes 30 strokes per minute. If a weight of 40 kN is to be lifted by the press find the force on the plunger and rate of rise of the weight.