The lecture Pascal's Law by Jared Rovny is from the course Fluids.
Included Quiz Questions
You have a machine which applies 1000 Newtons of force to oil in a tube of cross-sectional area 0.5 cm^2. If this oil goes to a piston with a movable wall of area 1 m^2, how much force can the piston apply?
Which of these is an accurate description of Pascal’s Law?
Pressure is equally distributed throughout a fluid.
Force is equally distributed throughout a fluid.
Force on two pistons connected to a fluid will be equal.
Force on two pistons connected to a fluid will be inversely proportional to their area.
Pressure on two pistons attached to a fluid will depend on the area of those pistons.
A barber raises his customer’s chair by applying a force of 150N to a hydraulic piston of area 0.01 m2. If the chair is attached to a piston of area 0.1 m2, how massive a customer can the chair raise? Assume the chair itself has a mass of 5 kg. What is the force applied to the larger piston, and the maximum mass that can be lifted? Use Pascal’s Law.
1500 N, 153 kg.
1550 N, 150 kg.
1450 N, 100 kg.
2350 N, 200 kg.
150 N, 50 kg.
A hydraulic system is used to lift a 3000kg vehicle in an auto garage. If the vehicle sits on a piston of area 0.8 square meter, and a force is applied to a piston of area 0.05 square meters, what is the minimum force that must be applied to lift the vehicle?
Author of lecture Pascal's Law
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