One Newton is defined as: Slug/unit area kg/unit area kg*gravity 1 kg*1 ft/s^2 B

Question

One Newton is defined as: Slug/unit area kg/unit area kg*gravity 1 kg*1 ft/s^2 Both a and d None of the above Hydrostatic pressure: Varies with water speed. Varies nonlinearly with water depth Varies with temperature Varies with water density Both c and d Both b and c The specific weight gamma of ocean water worldwide can change with: Gravitational acceleration depth salinity temperature Both c and d Both a, b, c, and d Stress tau has units: Pa/m Pa m^2 N/m. Pa Viscosity v times area Viscosity v over area The pressure inside a water bubble (radius r): Varies with 1/r^2 Varies with r Is independent of r Varies with r^2 Is greater than gage pressure None of the above

Explanation / Answer

1.newton is a unit of force F= ma
units are =kg* m/s^2 = kg*gravity
ans --------C

2.HYdrostatic pressure
hydrostatic pressure which is the force per unit area exerted by a liquid on an object
The deeper you go under the sea, the greater the pressure pushing on you will be
varies with temperature and water density.
ans----------e

3.gamma = rho*gravity

specific weight of ocean water can change with

gravity ,depth,salinity and temperature.

ans --------f

4.units of stress is

stress = newtons / meter^2, or N/m2. However, stress has its own SI unit, called the pascal.

5.the pressure inside a water bubble

Pi-P0= 4T/r

varies with 1/r

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