A. State the principle used in Hydraulic lift. B.To lift an automobile of 2000kg, a hydraulic pump with a large piston 900cm in area is employed .Calculate the force that must be applied to pump a small piston of area 10cm- to accomplish this.
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Explanation:
Correct option is C)
The pressure in hydraulic pump is same at both pistons,
Force required to lift 1600kg body = 16000 N
Now,
a
1
f
1
=
a
2
f
2
→
800
16000
=
10
f
2
which gives f
2
=200N=200kgf
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