Definition Essay Samples

How would one find out what types of atoms there were? Today, it does not seem like it should have been very difficult to work…

Given that fields of force are real, how do we define, measure, and calculate them? A fruitful metaphor will be the wind patterns experienced by…

Electrical circuits can be used for sending signals, storing information, or doing calculations, but their most common purpose by far is to manipulate energy. We…

If you could play with a handful of electric dipoles and a handful of bar magnets, they would appear very similar. For instance, a pair…

Imagine the wave pattern made by the tip of a vibrating rod which is moving across water. If the rod had been vibrating in one…

Thermal equilibrium We use the term temperature casually, but what is it exactly? Roughly speaking, temperature is a measure of how concentrated the heat energy…

One of the trickiest things to define is “nothing.” Why is it difficult to define? Because once you try to define “nothing,” it becomes something.…

Force can be interpreted as the rate of transfer of momentum. The equivalent in the case of angular momentum is called torque. Where force tells…

What is heat really? Is it an invisible fluid your bare feet soak up from a hot sidewalk? Can one ever remove all the heat…

A conserved quantity of motion Your first encounter with the conservation of momentum may have come as a small child unjustly confined to a shopping…

The technical term for the energy associated with motion is kinetic energy, from the Greek word for motion (the root is the same as the…

Kepler’s laws were a beautifully simple explanation of what the planets did, but they did not address why they moved as they did. Did the…

What about cases where the total force on an object is not zero, so that Newton’s first law does not apply? The object will have…

Newton created the modern concept of force starting from his insight that all the effects that govern motion are interactions between two objects: unlike the…

Newton would not have been able to figure out why the planets move the way they do if it had not been for the astronomer…

Newton’s First Law: If the total force acting on an object is zero, its center of mass continues in the same state of motion. In…

Times when religion played a major role in the lives of common people in Europe and the United States have gone long ago. Nowadays, religion…

Given for one instant an intelligence which could comprehend all the forces by which nature is animated and the respective positions of the things which…

By Eric Mitchell, edited by Nicholas Klacsanzky In the near, plausible future, the world has been transformed dramatically by the computer age, but not necessarily…

Though depression is a severe psychiatric disease, rather often people use the term “depression” to describe an upset mood. They also tend to understand depression…