The atmosphere does not ordinarily crush cans. Yet it will crush a car, after it has been heated, capped, and cooled. Why?
The reason that atmosphere does not ordinarily crush cans. But after it has been heated, capped and cooled can will crush.
Explanation of Solution
Introduction:
When can is at room temperature, the pressure inside the can and outside the can is same. So, net force acting on the can is zero and can does not crush.
When can is heated, water gets converted into steam and the steam starts to come out. The can is, capped and cooled down. Due to cooling, steam gets converted into liquid. This reduces the air pressure inside the can due to which, the can itself breaks out.
Conclusion:
Due to pressure difference, can crushes out.
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