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Why is it easier to pop a balloon with a sharp object than by squeezing it between your hands?

User Gatsby
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Answer:

The air in a balloon is at a higher pressure than its surroundings because the elastic ... So the net force pulls the rubber away from the hole, which makes it bigger and the force imbalance increases. ... Likewise, the silvery, Mylar balloons that usually contain helium don't pop very well

Step-by-step explanation:

User Rajkiran
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