Question

A 640 kg concrete table needs to be supported at the four corners by compressed-air cylinders. Each cylinder is 20 cm in diameter and has a 1.20 mm initial length when the pressure inside is 1.0 atmatm. A hoist lowers the table very slowly, compressing the cylinders while allowing them to stay in thermal equilibrium with their surroundings.

Part A How much work has been done on the gas of the four cylinders when the table reaches its equilibrium position?

Answer 1