446 cards
Specific gravity is the ratio of ____.
____ is the ratio of an object's density to water's density.
Cohesion refers to the clinging of ____ molecules.
____ refers to the clinging of unlike molecules.
Capillary action occurs when the ____ between the liquid molecules.
Capillary action occurs when the adhesive forces to ____.
Capillary action occurs when the adhesive forces to the wall are ____ than the cohesive forces between the liquid molecules.
____ occurs when the adhesive forces to the wall are stronger than the cohesive forces between the liquid molecules.
Surface tension is created by ____.
____ is created by cohesive forces.
____ is a measure of a fluid’s internal friction .
Viscosity is a measure of ____ .
____ is smooth and orderly.
Laminar flow is ____.
____ is rough and disorderly.
Turbulent flow is ____.
Poiseuille’s law determines the ____ of laminar flow.
Poiseuille’s law determines the rate of ____.
____ determines the rate of laminar flow.
Volumetric flow rate is the volume of fluid which passes per ____.
____ is the volume of fluid which passes per unit time.
How will the size of a pipe or passage affect fluid flow rate ? Narrow passages: ____
How will the size of a pipe or passage affect fluid flow rate ? ____> ones: slow
Give Bernoulli’s equation: ____
Give ____ equation:
According to the venturi effect , the velocity of a fluid passing through a constricted area will ____.
According to ____, the velocity of a fluid passing through a constricted area will increase and its static pressure will decrease.
According to the venturi effect , the ____ will decrease.
According to the venturi effect , the velocity of a fluid passing through ____ will increase and its static pressure will decrease.
The Venturi tube demonstrates that as cross-sectional area ____.
In our circulatory system, or any closed fluid system, as total cross-sectional area ____.
The ____ is the unit of charge .
The coulomb is ____ .
Protons have a ____ charge
Opposite charges exert ____ forces
____ are a type of material that allows the flow of charge.
Conductors are a type of material that ____ the flow of charge.
Conductors are a type of material that allows ____.
____ are a type of material that resists the movement of charge.
Insulators are a type of material that ____ the movement of charge.
Insulators are a type of material that resists ____.
Coulomb’s law gives the magnitude of the ____ between two charges.
____ gives the magnitude of the electrostatic force vector between two charges.
Coulomb’s law gives the magnitude of the electrostatic force vector between ____.
The Coulomb's law proportionality constant (in air) is k = ____.
Every charge generates a/an ____, which can exert forces on other charges .
Every charge generates a/an electric field, which can ____
Field lines show the activity of a ____ test charge.
____ show the activity of a positive test charge.
A/an ____ line is a line on which the potential at every point is the same.
A/an equipotential line is a line on which ____
A/an ____ is a separation of positive and negative charges .
A/an electric dipole is a separation of ____ .
A/an ____ is a measure of the separation of positive and negative electrical charges within a system .
A/an dipole moment is a measure of ____.
____ is the amount of work required to bring a test charge from infinitely far away to a given position in the vicinity of a source charge.
Electrical potential energy is the ____
Electric potential energy ____ when like charges move closer together or when opposite charges move apart.
Electric potential energy increases when ____ charges move apart.
____ increases when like charges move closer together or when opposite charges move apart.