Physics 103: Kinetic Theory and Elasticity

2 x 10^-10 m

2 x 10^-9 m

Rudolph Clausius and James Clark Maxwell

<p>All gases consist of molecules. (A), The molecules of a gas are very small in size compared to the distance between them. (B), The molecules of a gas are always in random motion. (C), The molecules of a gas behave as perfect elastic spheres. (D)</p> Signup and view all the answers

<p>Gas molecules experience changes in their velocities.</p> Signup and view all the answers

<p>Free path</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>Continuous collisions of the gas molecules against the walls of the container</p> Signup and view all the answers

<p>√(Vx^2 + Vy^2 + Vz^2)</p> Signup and view all the answers

<p>The mass of the gas per unit volume.</p> Signup and view all the answers

<p>1/2 * m * v^2</p> Signup and view all the answers

<p>P = 1/3 * N * (1/2 * m * V^2)</p> Signup and view all the answers

<p>P = 1/3 * (m * n * v^2)</p> Signup and view all the answers

<p>1/2 * M * V^2 = RT</p> Signup and view all the answers

<p>1/2 * m * V^2 = 3/2 * k*T</p> Signup and view all the answers

<p>Mean velocity is the arithmetic mean of the velocities of all the gas molecules.</p> Signup and view all the answers

<p>RMS velocity is the square root of the average of the squares of the velocities of all gas molecules.</p> Signup and view all the answers

<p>An elastic body returns to its original shape and size when the deforming force is removed.</p> Signup and view all the answers

<p>Hooke's Law states that the extension produced in a wire is directly proportional to the load attached to it.</p> Signup and view all the answers

<p>Stress is defined as the restoring force per unit area set up in a body when deformed by an external force.</p> Signup and view all the answers

<p>Normal stress and tangential stress.</p> Signup and view all the answers

<p>Young's Modulus is defined as the ratio of normal stress to longitudinal strain.</p> Signup and view all the answers

<p>Bulk modulus is defined as the ratio of normal stress to volumetric strain.</p> Signup and view all the answers

<p>Compressibility is the reciprocal of bulk modulus.</p> Signup and view all the answers

A theory explaining gas laws through molecular motion.

Average distance a gas molecule travels between collisions.

Force exerted by gas molecules against container walls.

Relationship between pressure, volume, and temperature: PV = RT.

Property of material to return to original shape after deformation.

Extension in a wire is proportional to the load applied.

Restoring force per unit area when a body is deformed.

The ratio of change in dimension to original dimension.

Ratio of normal stress to longitudinal strain.

Ratio of normal stress to volumetric strain.

Reciprocal of bulk modulus; measure of how much a material can compress.

Ratio of tangential stress to shear strain.

Average velocity of a gas molecule.

Square root of the average of the squares of molecular speeds.

Maximum stress a material can withstand while returning to original shape.

Deforming force acting per unit area, normal to the surface.

Change in volume per unit original volume when deformed.

The change in shape of a body when subjected to shear stress.

The number of times a molecule hits another or the walls in a second.

Mass per unit volume of a substance.

A body that returns to its original shape after deformation within elastic limits.

A body that does not return to its original shape after deformation.

Force acting per unit area, normal to the surface.

Force acting per unit area parallel to the surface.

Constant that indicates the elastic response of a material.

Ratio that measures the elasticity of collisions.

Forces acting between molecules.

Movement in any direction at any speed.

Energy stored in a body due to deformation.