Explain hydraulic lift and hydraulic br...

Explain hydraulic lift and hydraulic brakes.

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What principle/law explains the working of the hydraulic brakes in automobiles ?

Bernoulli's law

Posteulle's principle

Pascal's law

Archimedes' principle

Assertion : Pascal's law is the working principle of a hydraulic lift. Reason : Pressure is thrust per unit area.

If both assertion and reason are true and reason is the correct explanation of assertion .

If both assertion and reason are true but reason is not the correct explanation of assertion.

If assertion is true but reason is false.

If both assertion and reason are false .

In a liquid whose rho = 1000 kg/m^3 at a depth of 2km the value of (Delta V)/ V = 1.36% is given then find the ratio of (hydraulic stress)/(hydraulic strain). ( g = 9.8m/s^2 )

`14.41 x 10^8 N/m^2`

`34.41 x 10^8 N/m^2`

`1.441 x 10^8 N/m^2`

`44.41 x 10^8 N/m^2`