19. Fluid Mechanics

Hydraulic Lift II.The piston of a hydraulic automobile lift is 0.30 m in diameter. What gauge pressure, in pascals, is required to lift a car with a mass of 1200 kg? Also express this pressure in atmospheres.

When a second student joins the first, the piston sinks. What is the second student's mass?

A 55 kg cheerleader uses an oil-filled hydraulic lift to hold four 110 kg football players at a height of 1.0 m. If her piston is 16 cm in diameter, what is the diameter of the football players' piston?

A hydraulic lift is used to jack a 960-kg car 52 cm off the floor. The diameter of the output piston is 18 cm, and the input force is 380 N. What is the area of the input piston?

In a hydraulic lift based on $P=\frac{F}{A}$'s Law, which component is responsible for converting fluid pressure into mechanical motion?

In a hydraulic brake system based on $Pascal’sLaw$, which components apply hydraulic force to slow and stop the vehicle?

Which law of hydraulics explains how a car's brake system multiplies force using fluid pressure ($p$)?

Which equation correctly determines the output force $F{2}_{}$ in a hydraulic lift, given the input force $F{1}_{}$, input piston area $A{1}_{}$, and output piston area $A{2}_{}$?