Physics Essay Examples and Topics

In response to the pulling force, a restoring force is equal to the compression or extension force. In essence, the restoring force is equal and in opposite direction to the force exerted on the elastic [...]

According to this law, the pressure of a gas is inversely proportional to volume in a closed system if the temperature is kept constant.

Aristotle posited that the universe consists of two parts: the terrestrial and the celestial regions and that in Earth, all bodies were made up of a mixture of four types of matter: earth, water, air, [...]

The variables in the circuit are chosen to be the node voltages in nodal analysis. Mesh or loop analysis, as contrasted to nodal analysis, deploys Kirchhoff's voltage law to evaluate currents in the circuit.

When considering a frictionless inclined plane, the Mechanical Advantage, which is the ratio of load to effort, increases with decrease in the angle of inclination.

The degree of bending is proportional to the refractive index of the medium. In essence, with an incident ray traversing two media with different refractive indices, the incident ray, the normal to the interface separating [...]

Thus, the direction of the torque with respect to the point is essential and shows the ability of the body to rotate in the direction of the resultant vector.

Overall, the aim of the CEN201: Lab Experiment 1 Electric Circuits was: To verify Ohms law experimentally by keeping the voltage constant and varying the resistance.

This paper is an in-depth analysis of the facts surrounding the reflection and refraction of light."Reflection refers to the bouncing of light off a smooth surface"..

It is the force that is created to achieve both goals, to propel the car and levite it vertically at the same time. According to the author, the train is propelled forward after it is [...]

This force, which enables an object to rotate, is referred to as a Torque. Torque is therefore defined as the measure of this force F, which enables the object to rotate.

The objective of the experiment is to demonstrate Newton's second law of motion that the acceleration of an object with fixed mass is directly proportional to the net force applied to it.

Calculate the theoretical shear force at the cut and complete the Table 2. Calculations: Theoretical Shear Force Sc=w*a/L Where L=0.

The essence of performing this experiment was to verify the relationship between the effects of force on the extension of a coiled spring and as such, verify the principle behind a spring balance.

The benefit of using the KCL and KVL is the ability to calculate closed electrical circuits, including determining branch current and voltage values without the use of instrumental methods of measurement.

The specific heat of a matter is a measure of its ability to absorb or release heat and its ability to change state.

The acceleration of a system is directly proportional to and in the same direction as the net external force acting on the system, and inversely proportional to its mass.

From the table above, it is evident that water has a specific latent heat of vaporization of 2260kJ/Kg implying that the any mass of water absorbs heat that is proportional to this ratio.

The purpose of the present work was to determine the frequency of the sound wave in the state of resonance. The paper contains calculations of the two frequencies for the two forks and a comparison [...]

This guide describes how to set up and perform experiments related to the deflections and reactions of a rectangular portal. The Frame Deflections and Reactions experiment fits into a Test Frame.

The main cause of the formation of rainbow is the refraction and dispersion of the sun light which occur in the event of rainfall or any other form of moisture that could be present in [...]

Over the past 30 years, the extraction of copper ore and the use of refined copper around the world has increased dramatically.

The aim of this experiment is to ascertain that when three non-parallel forces are in equilibrium, their magnitudes can be derived from the directions of their lines of actions using triangle of forces method or [...]

The tool that provides the means to conduct a pulse height analysis of incoming linear signals as well as conduct a series of counting experiments in one run is known as a multichannel analyzer.

To determine an experimental value of the permeability of free space o To investigate the balancing of repulsive magnetic between two wires with antiparallel currents by using a known gravitational force The setup for the [...]

The amount of kinetic energy in a body is affected by environmental factors and the state of surrounding bodies while potential energy is independent of the surroundings.

The centripetal force formula determines, Fc = /R, that the value of this force is inversely proportional to the radius of the circle: that is, the further the object is from the center of the [...]

According to Putman, the principles of moments states that "the moment of any force is equal to the algebraic sum of the moments of the components of that force".

The work tests the relationship between the acceleration of the cart and the force applied to it, as well as the acceleration of the cart as a function of its mass.

A shaft on which the masses are firmly linked and a DC motor to rotate the system made up the bulk of the balancing rig.

During industrial processes like the dehydration of crude oil, the dissociation of the water molecules from the water-oil mixture is an essential requirement of a coalescer.

Hooke's law of physics defines a linear relationship between the strain of a solid and the stress applied to it, and as one increases, the other also increases.

The difference between the initial and final values of the position of the lower end of the spring corresponds to the vertical displacement, that is, it shows how much the given weight was able to [...]

There is scantly information about the origin and history of winches, but the earliest records by Herodotus of Halicarnassus indicate that wooden winches dominated the architectural form as was referenced by Aristotle and might have [...]

As such, a number of components like capacitors and inductors are incorporated in the final sections of the rectification circuit so as to result in a smoother output waveform. This is known as the rectification [...]

In the thickness-shear mode of vibration, the overall frequency of oscillation of AT-cut quartz crystal is described by the equation: F defines the crystal frequency, N is a constant of the material used to make [...]

However, in nuclear fusion, the mass of the products is less than the mass of the inputs, as a portion of the mass is converted into energy.

The cooling curves of the pure compounds and various mixtures were used to construct a solid-liquid phase diagram of the biphenyl and naphthalene systems.

Is to forecast the bending moment diagram, collapse load, the number, and the position at which plastic hinges for the portal are formed To compare the predicted values with the experimental values found from [...]

However, while the wind and hydropower are renewable sources of energy, fossil fuels are not renewable. Wind energy and hydropower are some of the alternative sources of energy that have been explored.

The purpose of this experiment is to verify the principle that the resistance of a conductor is directly proportional to its length by using Ohm's law.

The first pro of nuclear energy is that it emits little pollution to the environment. The next con of nuclear energy is the occurrence of a meltdown.

The graduated cylinder was filled with the amount of metal powder, and the outcome was measured as the final volume. The density of the metal was determined using these measurements and the density formula ).

The stress at the end of the experiment gave the breaking strength and was 504. The stress-strain curve was re-plotted in the range of 0 to 1% strain to calculate Young's modulus and 0.

As one of the great scientists of the 17th century, Newton published his scientific theories and findings in the Principia, his masterpiece in the realm of science.

In the world, there exist different forms of energy that are categorized into two groups that include the fossil fuels and non-fossil fuels.

On the reaching the atmosphere water molecules bond together again and come back to the earth surface through the process of precipitation.

However, the processing method is very expensive, and the radiation dose is very high compared to standard processing methods. To add to this, quality of the film produced under the daylight processing is high.

Even those who say net production is cost effective for unit of nuclear energy produced may not be saying the truth because most of these estimate forget that nuclear energy is recipient of many government [...]

In one of her works Diana Bocce observes, "The kite experiment helped Franklin establish a relationship between lightening and electricity, which led to the invention of the lightning rod" This is considered one of the [...]

Generally, an increase in force should lead to a rise in kinetic energy since the higher the force, the greater the change in motion.

The periodic time T of the motion is expressed by the below Galileo's equation: Where g is the acceleration of gravity and l - the pendulum string length.

Recoil is the backward momentum of a gun after a bullet has been discharged. On most occasions, this movement of a gun causes discomfort to the shooter since reduces the accuracy of the target.

In this experiment, the aim was to derive a relationship between the mass and the diameter of clay spheres to obtain the density.

This is the case due to the fact that, these properties are the primary determinant of the ability of a laser light to interfere with itself in order to give out the desired interference patterns.

Ke= mv2/2 From eq taking the negligible potential energy we have E t = Ke = mv2/2 Kinetic energy is therefore related to momentum in the above equation. As mentioned in the literature energy is [...]

The purpose of the work was to calculate the amount of heat required to change the temperature of each metal object, using mathematical formulas to describe the calorimetric process. The results demonstrated that the specific [...]

Therefore, substantial research has been done in the literature on the Torsion of prismatic bars with solid, closed, and open cross-sections.

As force acts on an object in motion, its acceleration and direction of force act towards the center of the circular path.

To study Hooke's Law on the example of a small spring. To study Archimedes' Principle using the example of deformation in a vertical spring.

The mechanical advantage "is a ratio of the load to that of the effort exerted on the machine by the operator".

The motion of a pendulum is a good demonstration of mechanical energy conservation. However, gravity is a conservative force, which is why it does not cause any change to the total mechanical energy of the [...]

Introduction The outdoor playing environment forms a very fascinating experience for physicists since it presents a first-hand understanding of the basic principles behind physics. One such playing activity of interest is playing on a trapeze. Akin to a playing ground swing, the trapeze operates under the principles of driving a simple pendulum. A trapeze and […]

The movement of electric charge past the head's coil leads to the formation of magnetic fields on the surface of the tape.

Further developments in the field of energy use began with the sources such as wind, biomass, and hydropower and these were the only sources of energy for humans for thousands of years.

Superstring theory is one of the theories that offered or opened the door to clear many of the misgivings the scientists have regarding the universe.

This was done to understand the effect of the height on projectile motion. In another set of the experiment, the height was kept constant and velocity was varied to understand the effect of initial velocity [...]

In addition, this energy must be equal in magnitude to that leaving the earth's atmosphere since the earth is an open system. Therefore, the overall energy in the universe must be equal to the energy [...]

Harris proposes that the focal length relates to the concave and convex lenses because it is part of that system, when it is looked at in relation to the focal point, thus defined as the [...]

Two 100 pound tanks of oxygen Five gallons of water Stellar map Solar-powered FM transmitter/receiver Food concentrate First-aid kit with hypodermic syringes Fifty feet of nylon rope Parachute silk Signal flares

Due to the complexity of the mathematics and theoretical work involved in nuclear engineering, it is a somewhat challenging field to master.

Knowing that momentum is a product of mass and velocity of an object, the law can be depicted in the following formula: Where: m = mass before collision v = velocity before collision m' = [...]

In the second line, the energy is accumulated in the magnetic field of an inductive current-carrying circuit and delivered to a load using an opening switch.

Electroluminescence is the brainchild of Round, a British experimenter, who first employed the use of a "crystal silicon carbide and a cat's-whisker detector to produce light in the year 1907".

Friction is mainly depended on the nature of the surfaces and not the area of contact between the surfaces. The objectives of this experiment is to verify the laws of friction, the different types of [...]

The invention of the microwave oven - is the invention of completely new method of food preparation. It must provide the possibility of survey and to exclude the output of the microwaves to the outside.

The absolute theories are theories that space-time could exist even if there were no physical objects and events in the universe, but relational theories imply that space-time is nothing but objects, their events, and the [...]

To be more precise, an increased focus is put on the growth of technology that is quite rapid in the modern world and the certain impact that it has on the relationship between time and [...]

Photons have a wide range of characteristics and the following are just some of them according to the photon theory of light.

The variables in such an experiment were the values of the suspended weights as a characteristic of the value of the applied forces and the angles at which the sample was held approximately in the [...]

The spring constant and the natural frequency were calculated from the free-vibration experiment results. Physical attributes in a discrete system are discrete quantities, and ordinary differential equations characterize the system's behavior.

To investigate the differences between an open loop and closed loop motor speed control in the presence of mechanical load. U-151 Dual attenuator U-152 Summing amplifier U-153 Pre-amplifier U-154 Motor driver amplifier U-155 Tacho amplifier [...]

Furthermore, the cosmic microwave background supports the Big Bang theory and states that with the help of this background, it becomes possible to see the past via the speed of light.

The key focus of the mathematical essay is to determine the minimum number of balloons that can lift the building into the air and consider the associated features of this event.

The viscosity of a fluid is associated with a quantitative indicator of a fluid's tendency to resist flowing. The temperature may significantly impact the value of both the viscosity of a liquid.

Newton stated that everybody in the Universe affects all others "with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers".

For example, if when a wave propagates in a medium, the displacement of its particles occurs in the direction of the wave itself, it is commonly referred to as a longitudinal wave.

In other words, a change in the intensity of magnetic flux near a closed circuit results in the induction EMF, which is opposite in direction and equal in magnitude to the flux.

It is known that a body moving a long inclined plane, experiences acceleration due to the force of gravity, which is further affected by the mass of the body and the angle of inclination of [...]

The objective of this experiment is to ascertain that when bodies are involved in an elastic collision, both the energy and the momentum are conserved unlike in a perfectly inelastic collision where only the momentum [...]

To analyze the frequency response of R-L and R-C circuit networks. To observe the current and voltage waveforms and analyze the effect of L and C on such waveforms.

The alternate hypotheses were that planarian Dugesia sp.shows response to gravity and that planarian Dugesia sp.shows response to light. The Chi-Square statistics for both tests were significant and therefore the null hypotheses, the planarian Dugesia [...]

The project begins with a research into solar energy particularly the photovoltaic cell, its historical development, and the behavior and modular design and construction of the PV cell.it goes further to detail on alternative devices [...]

No study of physics is complete without a reference to Albert Einstein and his general theory of relativity that revolutionized the notions of space and time and the fresh understanding of gravity.

The purpose of the paper is the study of antiferroelectricity, as well as the analysis and review of materials with that property.

Some of his well-known contributions in science include the theory of relativity and the Quantum theory. In the year 1905, Einstein worked on the Theory of Relativity.

The process of science is very successful in all areas of Endeavour of human being because it is open and ideas are exchanged freely with a lot of knowledge that is available to everyone.

In physics, the term terminal velocity is that kind of velocity in which the force of drag of an object which is falling is equal to the weight of that object less the acting force [...]

The Mesopotamian creation epic creation myth considers man as a savior of the gods in that he is created to work and set free the gods.

Simple harmonic motion is a common type of force in the modern world of physics, which is defined by a periodic motion whereby the restoring force is observed to be proportionally aligned to the displacement.

This paper discusses Alfred Nobel's work with explosives for military and industrial use leading to his contribution to the world of the Nobel Peace Prize. As such, Nobel had to come up with a way [...]

The nature of the blue sky is a result of two things; the nature of light and the chemical composition of the atmosphere.

Bohr's Theory Although the aforementioned atomic theory by Rutherford was accurate in that it predicted the existence of a dense nucleus in the core of an atom, it still had a few shortcomings.

Overview Flywheel technology is able to store "energy by accelerating the rotor/flywheel to a very high speed and maintaining the energy in the system as kinetic energy".

Project Goals To analyzed the mechanisms fronted in the quest to finding the cause of Mpemba effect. A data on the actual lose in volume of water need to be tabulated for analysis.

One of the major contributions of the article is a discussion on the various contradictions that the law of conservation of energy has.

Voltage drop across a resistor in a simple series circuit is usually equal to the voltage supplied into the circuit from the source.

Table 1: Results of direct measurements In this experiment, the calorimetric method is used to determine the specific heat capacity of a metal object.

Following the experiment for the simple pendulum, one can see that the pendulum's period of motion changes due to the different lengths of the string but not the weight of the washer.

The ultimate goal of the laboratory work is to determine the relationship between the kinetic energy of motion and the force.

Table 1: Raw data from four measurements For each of the four tests, it was necessary to determine the instantaneous values of time and velocity.

The study by Steven Brunton and others at the University of Washington demonstrates the use of Sparse Identification of Nonlinear Dynamics.

In developing the equation for wave propagation through a stratified medium, it is important to consider the nature of that stratification. In a planar wave's plane of incidence for a TE wave, the curl equation [...]

From the analysis, the effective mass of the spring was 0. The effective mass of the spring was 0.

The main objectives for doing this experiment are: Investigating the use of operational amplifier as an analog comparator Investigating the influence of open-loop characteristics on the circuits in which operational amplifiers are used To measure [...]

The best illustration of the adiabatic process is in the form of the equation PVn = constant where p corresponds to the pressure, v corresponds to the volume and n is the polytropic coefficient, which [...]

Both wings fixed on Formula One cars have abilities to generate almost 70 percent of the total down force needed. This role makes the wings necessary parts of Formula One cars.

The friction between the road surface and the tyre makes it possible for the car to move forward when the gas pedal is pressed. Gravity is the force that causes the bucket to fall into [...]

The fact is that a nuclear reactor is not designed in the same way as an atomic bomb, as such, despite the abundance of material that could cause a nuclear explosion, the means by which [...]

One of them is by designing a machine that is well adapted to such conditions of overvoltage, while the other method involves the use of protectors such as lightning arresters or power surges.