Question

1.
Match the following:
1.Pressure.-.Newton x Metre
2.Trust per unit area.-.Longtitudinal waves
3.Joule.-.Ultrasonics
4.Air.-.Pressure
5.SONAR.-.Nm-2




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Answer 1

Answer:

1 1 Pa = 1 N / m2 ≡ 1 kg / m · s2. = 760 mmHg = 29.92 inHg = 14.7 lb/in2.

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Unit NameSymbolSI Equivalent Pa = N/m2newton per square meterN/m21 Paounce force (av.) per square inchozf/in2, osi430.922 PapascalPa, N/m21 Papound force

per square footlbf/ft2

2

Answer 2

Answer:

1. nm_2
2. pressure
3. newton×metre
4. ultrasonic
5. longitudinal waves