JEE Main202529 Jan 2025Morning ShiftPhysicsMechanical Properties of FluidsActual
In a hydraulic lift, the surface area of the input piston is (6 ~cm ^2 ) and that of the output piston is (1500 ~cm ^2 ). If 100 N force is applied to the input piston to raise the output piston by 20 cm, then the work done is _______ kJ.
Correct answer
0
Step-by-step solution
aligned & F ₁ ~A ₁ = F ₂ ~A ₂ , 100 6 = F 1500 , ~F = 50 3 1500 & ~F =50 500=25 10^3 ~N & = F . S =25 10^3 20 100 & =5 10^3=5 ~kJ aligned