Chapter I Introduction to Hydraulic and Pneumatic Transmission 1.2 Operating Principles of Hydraulic Transmission Pascal's law:pressure exerted on a confined liquid is transmitted undiminished in all directions and acts with equal force on all equal areas. To pull up To press down Explain DVD Figure.1-1 Operating principle of hydraulic jack Homepage List Upwards Downwards Retun Exit Chapter 1 Introduction to Hydraulic and Pneumatic Transmission 3 1.2 Operating Principles of Hydraulic Transmission Pascal’s law: pressure exerted on a confined liquid is transmitted undiminished in all directions and acts with equal force on all equal areas. Figure.1-1 Operating principle of hydraulic jack To pull up To press down