1) Calculate the drag force (unit: N) of a sphere particle in 20°C water. Know the diameter of the particle = 1 cm; the Reynolds number of water = 1; dynamic viscosity of 20°C water = 0.001 kg/ms; velocity of the particle = 0.02 m/s. 2) When calculate the lift coefficient, the area A in the equation is:a)surface areab)planform areac)cross-sectional aread)frontal area3) The sum of the components of the pressure and wall shear forces (a) in the flow direction is called ____ and (b) in the normal direction is called ____.a)Friction, Pressureb)Lift, Dragc)Pressure, Frictiond)Drag, Lift

Answered: 2) When calculate the lift coefficient,…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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1) Calculate the drag force (unit: N) of a sphere particle in 20°C water. Know the diameter of the particle = 1 cm; the Reynolds number of water = 1; dynamic viscosity of 20°C water = 0.001 kg/ms; velocity of the particle = 0.02 m/s.

2) When calculate the lift coefficient, the area A in the equation is:

a)	surface area
b)	planform area
c)	cross-sectional area
d)	frontal area

3) The sum of the components of the pressure and wall shear forces (a) in the flow direction is called ____ and (b) in the normal direction is called ____.

a)	Friction, Pressure
b)	Lift, Drag
c)	Pressure, Friction
d)	Drag, Lift

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