It should be noted that although stress and strain are often used interchangeably, the terms are not used interchangeablyin rheology: stres s is synonymous with force per unit area or a system of forces per unit area, and strai n refers to deformation(i.e., a change in shape or size). A fluid is said to exhibit Newtonian flow if the viscosity is a constant that is independentof the shear rate or applied shear stress. Because viscosity depends on temperature, the temperature of the substancebeing measured should be controlled to within ±0.1

Newton’s law of viscosity states thata.the shear stress applied to the fluid is directly proportional to the  specific weight of the fluidb.  the shear stress applied to the fluid is directly proportional to the velocity gradient du/dyc.the shear stress applied to the fluid is inversely proportional to the velocity gradient du/dyd.    the shear stress applied to the fluid is directly proportional to the  specific weight of the fluid

In a static fluida. only normal stresses can existb.viscosity is nilc.fluid pressure is zerod.resistance to shear stress is smalle.linear deformation is small

Viscosity is the measure of a fluid’sGroup of answer choicesResistance to flowResistance to pressureCapacity to increase in volumeAbility to absorb heat

What does the term "Reynolds number" in fluid dynamics characterize?2 pointsViscosity of the fluidTurbulence intensityRate of heat transfershear stress of fluid

With the increase in temperature, the viscosity of a liquid