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The lecture Pascal's Law by Jared Rovny is from the course Fluids.
A machine applies 1,000 N of force to oil in a tube of crosssectional area of 50 cm². The oil is connected to a movable piston with crosssectional area of 0.5 m². How much force is applied to the piston?
Water is pouring out a hole in a tank of water. The holes area is 0.5 cm² and its vertical distance from the surface of water in the tank is 2 m. If a person were to use its finger to cover the hole, how much force will be exerted on the finger?
A barber raises his customer’s chair by applying a force of 150 N to a hydraulic piston of area 0.01 m². The chair is attached to a piston of area 0.1 m². What is the force applied to the larger piston, and the maximum mass that can be lifted? Use Pascal’s law.
A hydraulic system is used to lift a 3,000 kg vehicle in an auto garage. Piston A of area 0.8 m² in the hydraulic system is used to lift the platform which the vehicle sits on. This piston can be moved up by applying a downward force on piston B of area 0.05 m² in the hydraulic system. What is the minimum force that must be applied to piston B in order to lift the vehicle ?
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