4. Define one pascal (Pa), the S.I. unit of pressure.
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The pascal (symbol: Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus and ultimate tensile strength. The unit, named after Blaise Pascal, is defined as one newton per square metre. The unit of measurement called standard atmosphere (atm) is defined as 101325 Pa.
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Answer:
1 × 10^-5 bar
Explanation:
It can also be said as Newton per square meter
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