Classical Mechanics Quiz

An object will not change its state of motion unless acted upon by an unbalanced force.

It states that acceleration is equal to the net force divided by mass, or $a = \frac{F_{net}}{m}$.

It states that one cannot simultaneously know the exact position and momentum of a particle.

<p>Wave-particle duality means that particles exhibit both wave-like and particle-like properties depending on the situation.</p> Signup and view all the answers

<p>Work is defined as the transfer of energy by a force acting on an object as it moves.</p> Signup and view all the answers

<p>It states that if two systems are each in thermal equilibrium with a third system, they are in equilibrium with each other.</p> Signup and view all the answers

<p>Superposition allows a quantum system to exist in multiple states simultaneously until it is measured.</p> Signup and view all the answers

<p>Classical mechanics principles are applied in structural analysis, vehicle dynamics, and various mechanical systems.</p> Signup and view all the answers

<p>The first law of thermodynamics indicates energy conservation but does not determine the direction of spontaneous processes, which is instead addressed by the second law of thermodynamics regarding entropy.</p> Signup and view all the answers

<p>Special relativity implies that time and space are intertwined, leading to phenomena such as time dilation and length contraction for observers moving at different velocities.</p> Signup and view all the answers

<p>Maxwell's equations mathematically unify electricity and magnetism, describing how electric fields and magnetic fields interact and propagate as electromagnetic waves.</p> Signup and view all the answers

<p>The third law states that as a system approaches absolute zero, the entropy approaches a minimum value, which is significant for understanding the limits of thermodynamic systems and atomic behavior.</p> Signup and view all the answers

<p>Diffraction involves the spreading of light when it encounters an obstacle, while reflection is the bouncing off a surface and refraction is the bending of light as it passes through different media.</p> Signup and view all the answers

<p>General relativity includes the effects of gravity as a curvature of spacetime, unlike special relativity, which only addresses non-gravitational motion and constant velocity frames.</p> Signup and view all the answers

<p>Electric charges generate electric fields, and when these charges move, they create magnetic fields, establishing a dynamic interplay that is foundational to electromagnetism.</p> Signup and view all the answers

<p>Entropy signifies the amount of disorder in a system, and the second law states that spontaneous processes increase entropy, guiding the direction of thermodynamic changes.</p> Signup and view all the answers

Describes how macroscopic objects move. Based on Newton's three laws of motion.

An object at rest stays at rest, and an object in motion continues at a constant velocity unless acted upon by a net force.

Acceleration is proportional to the net force acting on an object and inversely proportional to its mass. F = ma.

For every action, there is an equal and opposite reaction.

A measure of an object's resistance to changes in motion.

Describes the behavior of matter and energy at the atomic and subatomic levels.

Energy can only exist at discrete values, not continuous ones.

Deals with heat and energy and their relationship to macroscopic systems. Governed by four laws.

The first law of thermodynamics states that energy cannot be created or destroyed, only transferred or transformed. In any thermodynamic process, the total energy remains constant.

The second law of thermodynamics states that the entropy of a closed system always increases over time. This means that spontaneous processes tend to move towards a state of greater disorder or randomness.

The third law of thermodynamics states that the entropy of a system approaches a constant value as the temperature approaches absolute zero. This means that at absolute zero, the system is in its most ordered state, with minimal entropy.

Electromagnetism describes the interaction between electric charges and magnetic fields. It encompasses the principles governing the behavior of these fields and their influence on charged particles.

Electric and magnetic fields can exert forces on charged particles. Electric fields exert forces on stationary charges, while magnetic fields exert forces on moving charges.

Special relativity deals with the relationship between space and time for observers moving at constant velocities relative to each other. It postulates the constancy of the speed of light and introduces concepts of length contraction and time dilation.

General relativity extends special relativity to include gravitational fields. It describes gravity as a curvature of spacetime caused by mass and energy.

Reflection is the bouncing of light off a surface. Refraction is the bending of light as it passes from one medium to another. Diffraction is the spreading of light as it passes through an aperture or around an obstacle.