zarta666 zarta666

12-01-2021
Physics

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why does suction hook stick to the surface of wall and does not drop off

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jerrymaguire jerrymaguire

12-01-2021

Answer:When you press a suction cup against a wall or window, you push out the air inside it, eliminating the pressure inside the suction cup and creating a vacuum which seals the cup tightly to the surface you want it to stick to. ... Friction keeps the cup from sliding.

Explanation:

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