is weight‚ modification in masses added is also done. Once equilibrium is achieved‚ or when the beam is not moving at a horizontal position‚ we can calculate for the unknown forces applied through the utilization of this principle. We balance the system given the ample forces acting on it. In general‚ application of Newton’s Second Condition of Equilibrium is applied here. By applying it‚ we could get the magnitude of one force acting on it‚ considering the other forces of known magnitudes. Thus
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Abstract: This report presents the reason why the ocean does not freeze in the winter. Since the ocean consists of salt water‚ an experiment was done to test the effect of freezing on salt water compared to pure water. The experiment was conducted three times in order to obtain accurate results and eliminate errors. In addition to the salt and pure water experiment‚ a variation of this experiment was created to test other options. In the variation experiment the effect of freezing on sugar water
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Determining the natural frequency of a system undergoing tortional vibration. Theory : Using Newton’s second law of tortional system. ( [pic] …………………. ( Equation 1 ) where Io = mass moment of inertia of the disk Hence‚ [pic] ……..……... ( Equation 2 ) where k = torsional stiffness of the shaft Rearrange Equation 2 ( [pic] .………..……... ( Equation 3 ) where natural frequency of the system‚ [pic] …..…….…..…….
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software is used to manage the measurement data and provide graphical representation of the bar forces. The software features a comprehensive help function. The various elements of the experiment are clearly laid-out and housed securely in a storage system. The complete experimental set-up is arranged in the frame SE 112. The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments. Learning Objectives / Experiments - Measurement of
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REPRODUCTIVE RIGHTS OF WOMEN: A PERSPECTIVE Nikhat Ehsanul Haque Reproductive Rights and Women: A Perspective INRODUCTION: “I am going to the sea to fetch a new baby‚ but my journey is long and dangerous‚ and I may not return.” 1 Both the Native women in North America and the African Brazilian women can have one thing in common i.e. both may be forcefully sterilized‚ same is the case with the Black
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Inorganic Chemistry 1. A subatomic particle with a single positive electrical charge is protons. 2. A subatomic particle with a single negative electrical charge is electrons. 3. A subatomic particle which is electrically neutral is neutrons. 4. The nucleus of an atom is made up of _protons_ and _neutrons. 5. The number of electrons forming a charge cloud around the nucleus is (pick one of the following) greater than; equal to; smaller than the number of protons in the nucleus of the atom.
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Photochemistry. The fundamental principles for understanding photochemical transformations are that light must be absorbed by a compound in order for a photochemical reaction to take place‚ and that for each photon of light absorbed by a chemical system only one molecule is activated for subsequent reaction. This "photo equivalence law" was derived by Albert Einstein during his development of the quantum (photon) theory of light. Absorption of visible and/or ultraviolet light by a molecule transfers
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end. The water flow rate through the pipe can be measured using the volumetric tank (or measuring cylinder) of a Hydraulics Bench. Velocity of the water can therefore be determined to allow for the calculation of Reynolds’ number. A dye injection system is installed on top of the header tank so that flow pattern in the pipe can be visualised. In this experiment‚ we fix the time which is 5 second to collect the amount of the water. At the same time‚ we also observe the characteristic of the flow whether
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and male reproductive systems. The class covers different parts of the male and female reproductive system‚ including external and internal genitalia and how they work. We also learned about human hormones and how they play a part in human sexuality. The class gives you hard facts to review and additional resources for you to review in order to have a better understanding of the information learned in the lesson. The sites I reviewed to help me better understand the reproductive systems were: The
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Abstract: The Enzyme Lab results where when the liver was frozen‚ its reaction was fast‚ and when it was hot‚ it was slow‚ and the liver that was at room temperature reacted slowly to medium. Introduction: The Enzyme Lab is to conduct investigations to determine the most favorable conditions for the most efficient enzyme activity. Variables to be used testing include temperature‚ pH values and surface area. Enzymes are proteins that speed up the rate of chemical reactions‚ which would otherwise
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