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Subjects
Science CBSE
Class 8 New
Pressure, Winds, Storms, and Cyclones
Pumpa Practice Questions
15.
Air pressure
Exercise condition:
1
m.
Identify the best answer:
A rubber sucker sticks tightly to a tiled wall when pressed because
higher atmospheric pressure outside presses the sucker against the wall
glue inside the sucker holds it to the wall
the sucker produces a magnetic force
friction between rubber and wall is very high
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