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March 6, 2015

March 6, 2015

Posted by **tasha** on Tuesday, November 13, 2007 at 10:44pm.

a 15000N car on a hydrolyic lift rests on a cylinder with a piston of radius 0.20M,. if a connecting cylinder with a piston of 0.04M radius is driven by compressed air, what force must be applied to the smaller piston in order to lift the car?

am i doing this right?

pi*(0.04M)^2 / pi(0.20M)^2* 15000N = 600N

is this right, if not how do i go about getting the right anwser?

- college physics -
**bobpursley**, Wednesday, November 14, 2007 at 8:56amYes, correct. Pressure (force/area) is the same on each piston.

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