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What is the SI unit of pressure?
A pressure of 5 N/cm² is the same as:
A student pushes a drawing pin into a board with a force of 10 N. The area of the tip of the pin is 0.5 mm² = 0.5 \times 10^{-6} m². What pressure does the tip exert on the board?
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 force of 300 N acts perpendicular to a surface of area 1.5 m². Find the pressure on the surface in pascal.
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