Hydraulics are used on many cars for operating brakes. The normal force between

Question

Hydraulics are used on many cars for operating brakes. The normal force between the brake pads and rotor needs to be 1500Newtons, and your pump can supply a pressure of 225 PSI. What is the diameter of the cylinder/piston(in cm.)? How much pressure do you need to operate all for brakeassemblies? Hydraulics are used on many cars for operating brakes. The normal force between the brake pads and rotor needs to be 1500Newtons, and your pump can supply a pressure of 225 PSI. What is the diameter of the cylinder/piston(in cm.)? How much pressure do you need to operate all for brakeassemblies?

Explanation / Answer

we have P=pressure 225 psi=225 lb/inch2=102.06kg/[(0.0254)2*m2]=1.59*105kg/m2=1.56*106N/m2=1.56*106 Pa area=force/pressure=1500/P=*d2/4 =>d=0.035 m=3.5 cm

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