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A hydraulic jack whose piston has a cross-sectional area of 115 cm 2 supports a pickup truck weighing 1.20 104 N. Compressed air is

A hydraulic jack whose piston has a cross-sectional area of 115 cm² supports a pickup truck weighing 1.20 × 104 N. Compressed air is used to apply a force on the second piston with a cross-sectional area of 25.0 cm². How large must this force be to support the truck?

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