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The atmospheric pressure at sea level is about:
A sealed packet of chips bought in Chennai (at sea level) looks puffed up when it is carried to Leh in Ladakh (about 3500 m high). Why?
A rubber suction hook, when pressed firmly against a smooth tile, sticks to it and can hold a towel. Explain why.
A table top measures 1.2 m × 0.6 m. Taking atmospheric pressure as 1.0 \times 10^{5} Pa, find the force (in N) exerted by the air on the top surface of the table. (Think: why does the table not break?)
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