Question
Why is it so difficult to remove the lid from a vacuum-sealed jar?
Step 1
In a vacuum-sealed jar, the air molecules inside the jar have been removed. This process creates a very low pressure inside the jar. Show more…
Show all steps
Your feedback will help us improve your experience
Donald Albin and 63 other Physics 103 educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Why is it easier to loosen the lid from the top of a paint can with a long-handled screwdriver than with a short-handled screwdriver?
Sometimes the metal lid on a glass jar has been screwed on so tightly that it is very difficult to open. Explain why holding the lid under hot running water often loosens it enough for easy opening.
For food storage, what is the advantage of placing a metal lid on a glass jar? (Hint: Why does running the metal lid under hot water for a minute help you open such a jar?)
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD
Physics 103 educators are ready to help you.