18 Questions
Which quantity is proportional to the force producing a deformation?
Stress
Which quantity is a measure of the degree of deformation?
Strain
What is the resistance of a solid to the motion of internal planes sliding past each other characterized by?
Shear modulus
Which modulus characterizes the resistance of a solid to elongation under a load?
Young's modulus
What is the resistance of a solid or fluid to a volume change characterized by?
Bulk modulus
What are the units of pressure in the SI system?
Newton per square meter
What does Pascal's law state about pressure in an enclosed fluid?
Pressure is transmitted undiminished to every point in the fluid and on the walls of the container
How does the pressure in a fluid at rest vary with depth in the fluid?
$P = \rho g h$
What does a fluid exert on an object partially or fully submerged in it?
$\frac{1}{2}$ buoyant force
What is the measure of the resistance of a solid to elongation under a load?
Elastic modulus
Which modulus characterizes the resistance of a solid to the motion of internal planes sliding past each other?
Shear modulus
In the SI system, what are the units of pressure?
Newtons per square meter
What is the force per unit area exerted by a fluid on a surface known as?
Pressure
What is the quantity proportional to the force producing a deformation?
Stress
What law states that when pressure is applied to an enclosed fluid, it is transmitted undiminished to every point in the fluid?
Pascal's law
What does the resistance of a solid or fluid to a volume change characterize?
Bulk modulus
What varies with depth in a fluid at rest according to a specific expression?
Pressure
What does a fluid exert on an object partially or fully submerged in it?
Buoyant force
This summary covers the elastic properties of substances using stress and strain concepts, as well as the different types of deformation and their respective characteristics. It also discusses the elastic modulus and its relationship with stress and strain.
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