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Question
A rubber sucker, when pressed on a surface sticks to it. Which of the following factors is responsible for this?
A rubber sucker, when pressed on a surface sticks to it. Which of the following factors is responsible for this?
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Solution
The correct option is B Atmospheric pressure
A rubber sucker, when pressed on a surface creates a partial vacuum as shown in the figure.
Once all the air is pushed out and a vacuum is created, the pressure exerted by the air outside is way more than the pressure inside, and hence it sticks to it.
A rubber sucker, when pressed on a surface creates a partial vacuum as shown in the figure.
Once all the air is pushed out and a vacuum is created, the pressure exerted by the air outside is way more than the pressure inside, and hence it sticks to it.
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