Problem: An ordinary gasoline can measuring 30.0 cm by 25.0 cm by 20.0 cm is evacuated with a vacuum pump. Assuming that virtually all of the air can be removed from inside the can and that atmospheric pressure is 14.7 psi, what is the total force (in pounds) on the surface of the can?

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Step 1. Area of the can in in2:

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Problem Details

An ordinary gasoline can measuring 30.0 cm by 25.0 cm by 20.0 cm is evacuated with a vacuum pump. Assuming that virtually all of the air can be removed from inside the can and that atmospheric pressure is 14.7 psi, what is the total force (in pounds) on the surface of the can?

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Our tutors have indicated that to solve this problem you will need to apply the Pressure Units concept. You can view video lessons to learn Pressure Units. Or if you need more Pressure Units practice, you can also practice Pressure Units practice problems.