The hydraulic brake used in automobiles is a direct application of ____________ .

The piston of a hydraulic automobile lift is 0.3 m in diameter. What gauge pressure is required to lift a car with a mass of 1200 kg?

The piston of a hydraulic automobile lift is 0.300 m in diameter.  What gauge pressure, in pascals, is required to lift a car with a mass of 1200 kg?

A hydraulic lift raises a 2000 kg automobile when a 500 N force is applied to the smaller piston. If the smaller piston has an area of , what is the cross-sectional area of the larger piston?

a.  

b.  

c.  

d.