Category Archives: Physics

Helpful Tips to Make Mechanics Strong for Exams

Mechanics is the part of classical physics which deals with the forces of displacement and their subsequent effects on the surrounding environment. Classical mechanics is the core part of Mechanics which deals with specific scientific disciplines.

Motion, Speed, Acceleration, Momentum are the factors which are considered to be the integral parts of Mechanics. The more recent and applied version of core Mechanics is Quantum Mechanics, which incorporates the disciplines of Classical mechanics under certain limited situations.

As mechanics deals with the Speed and Motion, thus any situation including these physical conditions, will come under the discipline of Mechanics.

Basic rules of Mechanics are applied in several subjects, and these have been responsible for having provided birth to the new form of subjective discipline of Mechanics, which is known and Applied Mechanics.

Basic, applied versions of Classical Mechanics could be determined as the following:

Newtonian Mechanics– It is the original theory of Motion. This theoretical construct which had laid the basis of Mechanics as a subject and had also provided the models and concepts through which the pioneering task of progression and diversification into various other branches of Mechanics could be achieved.

Classical Statistical Mechanics– This subject considers the Thermodynamic Properties of Matter. This form of Mechanics provides the insight into the various statistical evaluative considerations regarding the changes and alterations in the physical property of matter when it is elevated up to a certain point of heated phase. The following changes that are exhibited when matter becomes critically and super heated are then considered in this physical process as the thermodynamic properties of the particular issue.

Celestial Mechanics– The motion of bodies in space is the focal point in this particular subjective consideration. The stellar objects, the interstellar gasses, the particles moving at rapid acceleration at space, the intergalactic forces that shape the objects floating in space and the distance that every space based object could cover within any particular period are some of the various considerations associated with Classical Mechanics.

Astro-dynamics– This practical physics application is concerned with spacecraft related properties.

Solid mechanics– This branch of Applied Mechanics are associated with the study and evaluation of the properties of elasticity regarding specific and deformed bodies of matter. A fluid mechanics-This form of Applied Mechanics deals with the motion of fluids in various circumstances such as in the industrial distillation processes and power generation plants such as in the hydroelectric energy centres. The properties associated with the motion of fluids are also significant from the point that fluidity properties concerning various liquids such as those applied in the hydraulics of engines and heavy machinery are essential for ensuring various industrial production process and the operations of the aviation industry as well.

Hydraulics– This form of Applied Mechanics considers the mechanical properties associated with liquids which utilised as sources of friction and pressure in heavy earth movers, aviation components of aircraft, mining machinery and heavy duty cargo carriers such as Ships and Loaders.

Bio physics– The specific branch of Applied Mechanics deals with the physical processes in living organisms. It has become important subjects regarding the utilitarian value of the application of such elements such as Biomechanical engineering processes or Bio-fuel generation in the contemporary era.

Nuclear physics– This is the most relevant section of the Applied Mechanical domain since this subject associated with the motion of the atoms and molecules. The properties Nuclear Physics are instrumental in the formulation of Thermo-nuclear weapons for warfare and for the harnessing of fission reaction process that involves the splitting of atoms to generate energy and electricity.

To gain the proper understanding and to achieve further expertise in Mechanics, here are some tips for you to increase the ability in Mechanics.

  • Don’t get panicked about the subject– It is essential for the beginners in the process of learning this topic. To develop your skills at first, you need to be confident that you can do your best with mechanics.
  • Learn the basic maths– You should develop your skills regarding analysis and understanding of complicated Mathematical formulas up to the 10+2 level that includes the basic ideas about differentiation, integration, vectors and graphs.
  • Identify your weapons– You should know the basic key terms and definitions (kinematics), Newton’s law of motion, conceptions based on Work and Energy and laws including Momentum, Angular Momentum and the equations related to Torque.
    After recognising your weapons, you must need to know that how you can use your weapons in different fields associated with the entire structure of Applied Mechanics including Simple harmonic motion, Fluid mechanics, Elasticity and Gravitation.
  • Understand your weapons– You have three basic things in Mechanics, Momentum, Angular momentum and Energy. After understanding what they are and how they can be used, you can find out the correlation of each weapon with the remaining aspects of Mechanics.
  • An ability of identification and conversion of the keywords: It could be the best way to learn the relation between the frequently used terms and the core Physics. For instance, maximum height means velocity in a vertical direction is zero. A ball is dropped, means the initial velocity is zero which is relative to the point from which the object has been dropped.
  • Definitions: You must know the proper definitions of the mechanical terms, and it is mandatory that you must be able to identify the key points which are the main supports behind the definition. For instance, if somebody asked you that what is acceleration and if you only answer that ‘change in velocity’ then your answer is partially correct. You must have to maintain the essential term of the definition of Acceleration, and that is ‘direction of change of velocity’.
  • Tackle the rest of the chapter with your gained knowledge: If you become enough potent in your basics, you must have to make application of your acquired knowledge on the other applied parts of Mechanics. For instance, if you have enough knowledge about Work, Speed, Velocity, Momentum etc., you can quickly deal with the chapter on Gravitation. These include all the concepts you have learnt till now.
  • Periodic revision along with scheduled practice: Mechanics is a subject which requires constant practice. You must know that it is a critical subject which needs lots of effort and you must do a regular practice regarding everything that you have learnt. It will help you to remember your subject in a more précised manner. Do regular go through of the core kinematics including the key terms and definitions. You can practice some problem sets too to enhance your logical and calculation skills. At every weekend, pick a chapter from some core Mechanics or Applied Mechanics subject sections and solve it. Here my question is, are you able to do it comfortably? If yes then it is nice, or else do some more practice but never lose hope!
  • Identify your weakness and try to kill them: Finally, it has to be stated that you need to try to identify your critical problems. Pick a random topic and try to develop the proper understanding regarding it. Are you facing problems? Not an issue. Only go through once again and try to resolve it. Be confident. All the best!

5 latest technologies which are beneficial in learning physics

The most important reasons for introducing the technologies in learning the physics are:-

  1. To bring improvements in the students’ physics ability.
  2. To bring improvements in the negative reactions of students towards physics.

A few examples of the classification of technology which are beneficial for learning physics are:-

  1. Presentation/research/reference programs for collecting and displaying the information.
  2. Computer simulations requiring graphics.
  3. Theoretical or experimental modelling.
  4. Computer interfacing equipment for collecting and processing information.
  5. Infrared technology and physics.

Presentation/research/reference programs for collecting and displaying the information

presentation copy

Though computers are being used for a lot many purposes, still the most relevant and the most appropriate use of computers in schools and colleges is for word processing. Some of the programs such as Microsoft word, Microsoft excel and Microsoft power point are widely used for word processing because they are very helpful for making the information easy. Other presentation/research/reference programs which are used for reporting the information are the web page programs such as Microsoft front page. Mainly spreadsheets are widely used in a number of ways in the physics instructions. The spreadsheets are usually used for facilitating the analysis of data via their organisational capabilities of presentations. One of the most common uses of the spreadsheets is to display the data in graphical form.

Computer simulations requiring graphics  computer_simulation copyThe use of ready-made phenomenological and conceptual computer simulations is one of the best technologies available for the students of physics. The simulations software of a computer is used to provide the chances for exploring the models and the concepts that have not been accessible in the Lab. An example of a computer simulation is the Web-based air track simulation which is accessed through the mechanics link. This link is available at given address “http://host.explorelearning.com/ESClassic/interact.htm”. Also, this simulated air track has some limitations like all the other computer simulations. However, the use of computer simulation software is having the potential for various benefits for students to understand physics in a proper way.

Theoretical or experimental modelling

experimental copy   As almost all the physics interactions and concepts a\can be modelled easily with the help of the medical relationships, hence the models of those mathematical relationships which are computer generated, are usually found in almost all the areas of physics. The physics students have been offered “so many ideas related to the fact how a physicist works for determining equations” by the modelling exercises. The most common types of models are the mathematical models which are used in physics. These models can also be static or dynamic visual representations, verbal analogies, concrete physical representations and combinations of each of these. Although there have a lot of models been introduced, a simplification of the phenomenon is the common and the only function of those models.

 Learn More:
11 MAJOR FINDINGS IN THE HISTORY OF CHEMISTRY
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Computer interfacing equipment for collecting and processing information

MBL device copy Some of the most common interfacing equipment for collecting and processing information are the probes which plug into the graphing computers and the calculators. The students of physics should use Microcomputer-Based Laboratory Devices (MBL’s) for collecting and processing information as the scientists perform the observations for a long time. Usually, probes serving as electrical multi-meters, sound meters, light meters, thermometers, sonic rangers, force scales and timers are included which are commonly used in the physics activities. With the help of these probes, the data can quickly and efficiently gather by the students and can easily be displayed graphically and can also be entered in the spreadsheets. The major advantage of using interfacing equipment is the time saved because the students do not need to repeat the observations.

Infrared technology and physics

infra copyThe core topics of infrared physics can be summarized as the materials and devices, the associated optics, detection, and propagation, of infrared radiation and the generation. This is used in all the fields of medicine, industry, science and most importantly in physics. The infrared techniques usually occur in a number of fields such as material characterization and processing, space research and atmospheric physics. The infrared technology is also one of the best technologies which have been introduced in physics for the students to learn physics easily and in a proper way. This technology has given students a lot of benefits so that they can easily and quickly understand physics. As the infrared technology has been introduced in physics, it has become very easy for the students to learn the related topics in physics as it has given a lot of ways to understand it in a proper way.