The small piston of a hydraulic lift has a cross sectional area of 3 cm 2 . You

Question

The small piston of a hydraulic lift has a cross sectional area of 3 cm2 . You need to lift a 15,000 N weight by applying a force of only 200 N.

1) What is the area of the large piston, assuming both pistons are at the same height, as shown in the drawing?.

(a)   75 cm2
(b)   125 cm2
(c)   225 cm2

2. If you push the small piston down a distance of 25 cm. How far up does the weight move?

(a)   0.3 cm                                                 (b)   8.2 cm                                                  (c)   25 cm

The small piston of a hydraulic lift has a cross sectional area of 3 cm^2 . You need to lift a 15,000 N weight by applying a force of only 200 N. 1) What is the area of the large piston, assuming both pistons are at the same height, as shown in the drawing?. (a) 75 cm^2 (b) 125 cm^2 (c) 225 cm^2 2. If you push the small piston down a distance of 25 cm. How far up does the weight move? (a) 0.3 cm (b) 8.2 cm (c) 25 cm

Explanation / Answer

my answer is 1) c 2)A

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