Physics Essay Examples and Topics

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381 samples

Physics Lab Report: Hooke’s Law

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 [...]
  • Pages: 3
  • Words: 883

Newton’s Second Law of Motion

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.
  • 5
  • Pages: 3
  • Words: 904

The Inclined Plane: Physics

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.
  • Pages: 4
  • Words: 1143

Electric Circuits: Verifying Ohm’s Law

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.
  • Pages: 8
  • Words: 2133

The Wonders of the Universe

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.
  • Pages: 14
  • Words: 3811

The Experiment With Spring Balance

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.
  • 5
  • Pages: 4
  • Words: 1245

A Mesh and Nodal Analysis Lab Report

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.
  • Pages: 2
  • Words: 662

The Operational Amplifier: A Physical Experiment

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 [...]
  • Pages: 4
  • Words: 896

The Latent Heat of Vaporization Experiment

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.
  • Pages: 6
  • Words: 1677

Energy Conservation: The Lab Experiment

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 [...]
  • Pages: 4
  • Words: 1116

Collisions in One Dimension: A Physical Experiment

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 [...]
  • Pages: 4
  • Words: 1362

Experiment: Shear Force in a Beam

Calculate the theoretical shear force at the cut and complete the Table 2. Calculations: Theoretical Shear Force Sc=w*a/L Where L=0.
  • Pages: 2
  • Words: 680

The Phone Case Drop: Force Analysis

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.
  • Pages: 1
  • Words: 412

Sliding Friction: Static and Kinetic Friction

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 [...]
  • Pages: 4
  • Words: 1482

Laws of Electromagnetic Induction

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.
  • Pages: 3
  • Words: 1095

The Focal Length Determination for Two Convex Lenses Lab

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 [...]
  • Pages: 2
  • Words: 717

Isaac Newton and His Three Laws of Motion

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.
  • Pages: 11
  • Words: 3108

Torque Supported by Real-Life Applications

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.
  • Pages: 4
  • Words: 1151

A Resonance Tube Laboratory Experiment

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 [...]
  • Pages: 2
  • Words: 636

Electrical Circuit Theory: Rectification Process

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 [...]
  • Pages: 6
  • Words: 1729

Picket Fence Free Fall Analysis

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.
  • Pages: 2
  • Words: 640

How maglev trains work

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 [...]
  • 5
  • Pages: 3
  • Words: 798

Three Non-Parallel Forces in Equilibrium

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 [...]
  • Pages: 4
  • Words: 1314

Pros and Cons of Nuclear Power

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.
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  • Pages: 3
  • Words: 863

Optics: The Experiment of Snell’s Law

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 [...]
  • Pages: 3
  • Words: 910

The Physics of Gun Recoil. Scientific Background

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.
  • Pages: 3
  • Words: 819

A Metals Density Virtual Lab Experiment

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 ).
  • Pages: 2
  • Words: 789

The Evolution of Electricity

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 [...]
  • Pages: 10
  • Words: 2790

Physics Lab Report: Centripetal Force

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.
  • Pages: 2
  • Words: 630

Design of a Power Winch

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 [...]
  • 5
  • Pages: 20
  • Words: 5511

Steel and Young’s Modulus Experiment

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.
  • Pages: 2
  • Words: 656

Rainbow and Its Various Aspects

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 [...]
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  • Pages: 5
  • Words: 1339

Conservation Of Energy

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.
  • Pages: 2
  • Words: 555

Experiment: Frame Deflections and Reactions

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.
  • Pages: 2
  • Words: 1405

Torque and Equilibrium Experiment

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.
  • Pages: 3
  • Words: 725

Closed Loop Motor Speed Control Techniques

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 [...]
  • Pages: 5
  • Words: 1477

Physics: Permeability of Free Space

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 [...]
  • Pages: 4
  • Words: 1108

Experiment of the Fluid Mechanics

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 [...]
  • Pages: 3
  • Words: 756

Time-Space Convergence Consequences

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 [...]
  • Pages: 2
  • Words: 570

Color and Light

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 [...]
  • Pages: 5
  • Words: 1387

Alternate processing methods for xrays(radiography)

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.
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  • Pages: 2
  • Words: 608

The Path of Light

The fundamental difference between light waves and other types of waves is in the ability of light waves to travel in a vacuum.
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  • Pages: 5
  • Words: 1322

Lab Report: Gas Properties Studying

The purpose of the present laboratory work was to determine the nature of the relationships between the various variables describing the state of a gas using the ideal gas equation.
  • Pages: 4
  • Words: 1419

Forces in Equilibrium Discussion

The equilibrium state of the three forces was determined by placing the ring connected to the three pulleys at the center of the Force Table.
  • Pages: 2
  • Words: 560

The Use of Physics in my Daily Activities

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 [...]
  • Pages: 6
  • Words: 1408

Power Generation from Radio Wave Technology

The history of radio waves as medium for transmitting information started way back in the 1860s when James Clerk Maxwell, a physicist from Scotland, envisaged the existence of the waves.
  • Pages: 4
  • Words: 1125

Blue Sky and White Clouds

In this case, light is always scattered as time goes by because of the ocean. This is because light moves slowly in dense air that is always the characteristic of the ocean.
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  • Pages: 2
  • Words: 542

The Big Bang Theory: Experimental Evidence

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 [...]
  • Pages: 1
  • Words: 499

Fiber Optics: Definition, Types, Benefits

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 [...]
  • Pages: 2
  • Words: 548

Bonded Wire Strain Gauges

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".
  • Pages: 2
  • Words: 565

Water Cycle Process

On the reaching the atmosphere water molecules bond together again and come back to the earth surface through the process of precipitation.
  • Pages: 2
  • Words: 538

Single Channel and Multichannel Analyzers

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.
  • Pages: 5
  • Words: 1468

Plastic Bending of Portals Experiment

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 [...]
  • Pages: 8
  • Words: 2166

Physics: The Term Terminal Velocity

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 [...]
  • Pages: 3
  • Words: 819

Richard Feynman: Life and Work

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.
  • Pages: 2
  • Words: 558

The Design and Implementation of DC-DC Boost Converter

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 [...]
  • Pages: 28
  • Words: 7637

Scientific Theories of Atoms and Their Structure

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.
  • Pages: 6
  • Words: 1677

Wind and Solar Energy as a Sources of Alternative Energy

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 [...]
  • Pages: 4
  • Words: 900

Why Nuclear Energy Is Not Good?

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 [...]
  • Pages: 3
  • Words: 886

How the Universe Was Created According to Physics

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 [...]
  • Pages: 6
  • Words: 1782

Light Emitting Diodes and Laser Diodes

This reduces the size of the barrier potential that is as a result of the depletion layer. The thinness of the LED chip ensures that the photons are able to leave the material radiating to [...]
  • Pages: 6
  • Words: 1640

Swinging Physics: Playing on a Swing

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 […]
  • Pages: 9
  • Words: 2472

Projectile Motion: Definition and Purpose

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 [...]
  • Pages: 12
  • Words: 890

The Formation of Rainbows

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.
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  • Pages: 5
  • Words: 1580

Work and Energy Experimental Lab

Generally, an increase in force should lead to a rise in kinetic energy since the higher the force, the greater the change in motion.
  • Pages: 2
  • Words: 695

Nasa Exercise: Lost on the Moon

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
  • Pages: 1
  • Words: 417

Simulation of AC-DC Regulated Power Supply

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 [...]
  • Pages: 6
  • Words: 892

Working with Concrete During Hot Weather

The purpose of this paper is to outline the expected effects of heat on concrete, discuss the essence of hot weather concreting, and then list and explain special techniques for creating the mix design to [...]
  • Pages: 3
  • Words: 861

Linear Motion in One Dimension

In this laboratory work, the dynamics of linear motion of a cart on a horizontal plane were studied to determine the relationship between the position of the cart and time, which is then used to [...]
  • Pages: 2
  • Words: 644

Capacitors in Parallel and Series Connection

In the series connection of capacitors, the total capacitance becomes lesser than the capacitance of individual capacitors. On the other hand, the parallel arrangement of capacitors results in the total capacitance becoming the total sum [...]
  • Pages: 3
  • Words: 696

The Concept of Heat and Temperature

Moreover, the intensity of heat is determined by how fast the atoms are moving in the object, the fast the movement the higher the heat and the lower the movement the lower the heat.
  • Pages: 4
  • Words: 1156

Albert Einstein: His Life and Impact on Science

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.
  • Pages: 3
  • Words: 831

Tensile Testing of Metallic Materials

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.
  • Pages: 7
  • Words: 1912

The Concept of String Theory

The effort to understand the seemingly dimensionless nature of fundamental particles and the four dimensional nature of matter and space in one theory has led to development of string theory. The string theory is the [...]
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  • Pages: 3
  • Words: 848

Energy and Momentum in the Daily Life

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 [...]
  • Pages: 3
  • Words: 882

Boyle’s Law: Gas’s Pressure and Volume

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.
  • Pages: 1
  • Words: 301

Laws of Physics and Bowling

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.
  • Pages: 2
  • Words: 644

How Things Work: Microwave Oven

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.
  • Pages: 2
  • Words: 574

State of the Matter

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.
  • Pages: 4
  • Words: 1124

Torque on Thin Rods: An Experimental Study

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 [...]
  • Pages: 2
  • Words: 700

Lab Report: Researching of Elasticity

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.
  • Pages: 2
  • Words: 692

Centripetal Force: Experimental Analysis

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 [...]
  • Pages: 2
  • Words: 733

Aluminum Strip vs. Honeycomb Beam: Strain Analysis

According to the beam type, different equations were used to determine the stress and strain values using the resistance readings from the strain gauges. The strain equation uses the resistance values to compute the strain [...]
  • Pages: 1
  • Words: 393

Relationship between Magnetism and Electromagnetism

However, there is an essential difference between the terms, as magnetism refers to a movement that does not require electricity, while EMFs always consists of both electric and magnetic components.
  • Pages: 1
  • Words: 282
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