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 [...]

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.

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.

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.

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 [...]

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 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 [...]

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 [...]

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, [...]

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.

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.

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 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 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 [...]

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.

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 [...]

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

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.

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 [...]

When the rays of sun land on the surface of the earth, they cause the temperatures of the earth to increase, leading to evaporation of water in the water bodies such as rivers and lakes.

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"..

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.

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

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 [...]

The Experiment was going to be carried out in the following manner: Checking the equipment; Charging the hydraulic bench with water; Placing the plastic caps at the end of the shaft; Increasing/decreasing pressure; Observing the [...]

In this laboratory work, the dependence of the centripetal force on the radius, the mass of the sample, and the angular velocity at which the sample rotates around the vertical axis are studied.

The fundamental difference between light waves and other types of waves is in the ability of light waves to travel in a vacuum.

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 [...]

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 [...]

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

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.

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 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 [...]

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.

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 [...]

History in the physics lesson indicates that Isaac Newton was the inventor of light since 1672; he applied the logic of a prism to discover that the prism could split the sunlight to various colours [...]

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 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.

Thus, being a physics student at the Massachusetts Institute of Technology, he suggested an unusual approach to calculating forces in molecules as a part of his undergraduate thesis in 1939.

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

In accordance with Boyle's Law, with the increase of the volume comes the decrease in the pressure; therefore, with the increase of the intrapleural volume comes the decrease in the intrapleural pressure.

In simple terms, stress is the ratio of the elongation force to that of the cross sectional area whiles the stress is the ration of extension to that of the original length.

Finally the expandable bullets are the type of bullets which upon hitting the target they expand since they are fired under high velocity.

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".

A graph of V against r^2 was plotted for this case to determine e/m for comparison to the first setup and the theoretical one.

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 [...]

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.

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

The anatomical forces of the player are also a significant part of the game and have an effect on the ball's movement and whether it reaches and knocks the pins.

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 [...]

Distances S0 and Si for two convex lenses in an experiment using the Lens Equation method Focal length is defined as the numerical characteristic that determines the difference between the position point of the lens [...]

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 [...]

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

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 [...]

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.

The voltage required to stop the current is proportional to the energy emitted; thus, voltage data is obtained and plotted to obtain the stopping voltage allowing the current to reach zero on the meter.

This investigation proves the hypothesis that water expands anomalously when cooled and increases in volume as it nears its freezing point of zero degree Celsius.

A fiber-optic system will consist of a transmitting device that generates a light signal, an optical fiber cable that acts as the medium for carrying the light, and a receiver on the other end 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 [...]

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.

He observes that space and time have remained to be the most mysterious of the concepts of the universe. The fundamental assumption of the theory is that the universe was initially very hot and in [...]

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.

Bonded wire strain gauge consists of a bendable features and a strain gauge that joins the bendable parts. Bonded wire strain gauge cannot be "detached and used again because of the bond".

In this diagram, the electron life cycle shows that when an electron loses energy at point 'a', it leads to the creation of the photon.

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.

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

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

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.

To make the best choice, therefore, a careful examination of the necessary requirements, and not only of the advantages and disadvantages of each type of system and its suitability for the particular environment, is critical.

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 [...]

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".

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 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 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.

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 the year 1911, Earnest Rutherford discovered the proton, the particles that make up the nucleus and most of the mass of an atom.

Specific heat capacity is the measure of the heat energy In physics, energy is a scalar physical quantity that describes the amount of Work_ that can be performed by a force. The study of the [...]

However, it is easier in uplifting a load with a single fixed pulley because the pulley enables one to pull the load towards the gravitational acceleration, rather than against it like in the case when [...]

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 ).

This process is called energy conversion, and it is one of the most important concepts in understanding energy. An example of energy conversion in daily activities is the shift from electric energy to heat in [...]

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

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.

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.

One of the important hires was Linda Choate, a Ph.D.in Physics from Stanford, who during earlier rotations chanced upon Frank Harlan's solar cell and was able to calculate and predict the maximum theoretical efficiency of [...]

The chosen article is interesting and informative for different readers due to the possibility to combine past and present studies, use the state of matter laws, and check the interaction of molecules of several gases.

Intrinsic defect is a property that determines the conductivity of electrons in a given structure. The subjection leads to intrinsic defects, a phenomenon that affects the mechanical properties of materials in structures.

This is required so that the change in the state of the particle at the location of the event to be identical to the observed change at the other end.

In his book Hawking while reviewing the writings of the Newton as well as Einstein, he discusses the role of God in the creation of the universe.

In fact, in the diffraction of any waves, including light waves, visual observation of the envelope of obstacles by waves is possible only if the dimensions of these obstacles are comparable with the dimensions of [...]

Some people believe it is the reflection of the oceans' color while others believe it is the reflection of the blue portion of the light from the sun that is reflected on the surface of [...]

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

Obviously, for normal functionality of such a device, it is necessary to ensure that a stable voltage is supplied to the sensor, which means that the circuit must be able to transform the AC voltage [...]

The error of the eye could also result in this uncertainty. The result achieved is what was expected in this lab practical.

The law is represented by the formula F = Ma where F is the force applied in a particular direction, M is the mass of the object upon which the force has been applied, and [...]

In fact, the application of the quantum effect in daily life events has made various people develop an interest in the study of physics.

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.

After discovering that matter is made of small particles, scientists got the interest to study the characteristics of these small particles relative to the huge bodies that they constitute. The measure of energy in particles [...]

One of the major effects of the electromagnetic fields from the mobile phones in human health is tissue heating. When an individual is using a mobile phone, the skin and other tissues absorbs the heat [...]

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: 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 of the evolution of the universe is fundamental to understanding the driving forces behind the emergence of life. The controlled variables are the use of the same balloon, the composition of the gas [...]

The injection section has a hopper where a material is fed, and an injection ram that drives a molten material to the clamp thanks to heaters.

Therefore to describe speed it becomes necessary to factor in the amount of time the moving object takes to travel from one place to another as well as the actual distance between the two places.

Fthenakis, Mason and Zweibel also examined the economical, geographical and technical viability of solar power to supplement the energy requirements of the U.S.and concluded that it was possible to substitute the current fossil fuel energy [...]

The main goal of this lab investigation was to use practical logic circuits to validate DeMorgan's law and the Distributive Law and learn about CMOS devices' characteristics.

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.

The objective of this experiment was to investigate the relationship between the electric potential and the electric field and hence, determine the electric field pattern and strength E between a pair of parallel conductors.

Through considering the measurements of the bodies with regular shapes, it was easy to locate the C.O. As a result, the body cannot balance if the pivot is not put at the center of gravity.

This experiment is aimed at verifying Newton's second law of acceleration by investigating the acceleration of a glider on an air track acted on by an unstable force and evaluating the amount of work performed [...]

An ESD can be caused by either the direct contact of an electrostatic field or is induced by it. Due to this positive and negative charges become excess and when a conductive path comes in [...]

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 [...]

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 [...]

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 [...]

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.

According to Feng et al, torque is proportional to the product of the applied force's magnitude and its perpendicular Distance from the axis of rotation, which in turn is determined by the direction of the [...]

In fact, the mass of the weight affects the force of gravity experienced by the objects and affects the spring: the stronger this mass is, the more extension of the spring should be expected.

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 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 [...]

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 [...]