How much force is required to lift the lidat sea level

Reference no: EM13654358

A lid is put on a box that is 18 cm long,17 cm wide, and 8.0 cm tall and the box is then evacuated until its inner pressure is 8.7 10⁴ Pa.

a) How much force is required to lift the lidat sea level?
b) How much force is required to lift the lid in Denver on a daywhen the atmospheric pressure is 67.5 kPa (2/3 the value at sealevel)?

Reference no: EM13654358

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