Torque Lab Report Analysis Essay Example

Torque Lab Report Analysis Paper Why were pulleys used in the experiment? Why were the strings not simply run over the edge of the force table? Pulleys were used in this experiment to allow the center ring to hover over the middle and thus allowing a more accurate of what angles and weights would be needed to determine equilibrium. If the strings had simply been run over the edge of the force table, it would have been hard to determine whether or not the center ring was balanced or if it was stuck on the table. . Explain why the ring does not accelerate (begin to move from est..) in some configurations even though there are several forces acting upon it. The ring does not accelerate because the several forces acting upon it are at equilibrium. While consisting of different weights, they are balanced with their corresponding distance from each other and the angle they are positioned at. 3. On dataset 1, draw a diameter that passes through 00 and call this the x-axis. Define which end of the diameter is positive and find the component of each force along the x-axis using trigonometry. Show your working in detail. Draw another diameter that passes through 900 and define which end is positive, call his the y-axis. Determine the component of each force along the y-axis. Find the sum of the components in the x and the y axes. What is the resultant force on the ring? Is this what you expect? See attached graph and calculations. The resultant force on the ring is 100 grams. This is expected because the third force on the ring is also 100 grams thus making the system in equilibrium. 4. In part 2 of the experiment explain whether you think that the experiment showed that the use of vectors to represent forces was useful in predicting the balance point. What are the advantages of the vector approach? In a lab eating, the advantages of using the vector approach are that you can predict and have an idea where you will need to put the strings in order for the forces to be in equilibrium. We will write a custom essay sample on Torque Lab Report Analysis specifically for you for only $16.38 $13.9/page Order now We will write a custom essay sample on Torque Lab Report Analysis specifically for you FOR ONLY $16.38 $13.9/page Hire Writer We will write a custom essay sample on Torque Lab Report Analysis specifically for you FOR ONLY $16.38 $13.9/page Hire Writer In a real world setting, the advantages are obvious because engineers can design bridges and other structures with an idea of where they have to place supports before they even start building. 5. The vector analysis of forces seems to indicate that the end result of applying a balanced set of forces to the ring is the same as not applying any force at all. To what extent is this true? (Think in terms of the how the object moves under both conditions and also bout what the forces will do to the ring if they are very large. This assumption is true to some extent because when there are no forces applied to the ring, it is in equilibrium.

Central Dogma essays

Central Dogma essays Part of DNA sequence are transcribed into RNA A specific part of the cells DNA ntide sequence i.e. a gene is copied into an RNA nucleotide sequence. The info in RNA although in another chemical form is still essentially in same language as DNA. This is T. Both DNA and RNA are linear polymers of 4 different types of ntides subunits linked together via phosphodiester bonds. However RNA differs from DNA in that it contains ribose sugar and base uracil instead of thymine. Both U and T can hydrogen bond to adenine. Despite small differences, RNA and DNA are quite similar in overall structure, DNA being double stranded and RNA single and can therefore fold into a variety of shapes giving proteins. T gives RNA Complementary to one DNA strand. All RNA in cell is through DNA T. Steps include; 1.Opening and unwinding of small portion of DNA helix to expose bases on each DNA strand. 2. One of the two strands acts as templates for RNA molecules synthesis. 3. Like DNA replication, Ntide sequence for RNA is determined by complementary base pairing between incoming nucleotide and DNA template. Once a good match, incoming ribonucleotide is covalently linked to growing RNA chain in an enzymatic catalyzed reaction. RNA transcript is therefore elongated one nucleotide at a time and has a nucleotide sequence complementary to DNA. 1. Unlike a newly formed DNA strand, RNA strand doesnt remain Hydrogen bonded to DNA template strand. Instead, just behind region where ribonucleotides are being added, RNA chain is displaced and DNA helix re-forms. Therefore RNA molecules from T are released from DNA template as single strands. 2. Also, since they are copied from a limited region of DNA, RNA molecules are much shorter than DNA molecules. 3. DNA molecule in human chromosome can be made up to 250million nucleotides long, whereas most RNAs are no more than a few nucleotides long and even shorter. RNA polymerase p...

INTERNATIONAL ENVIRONMENTAL POLICY- Final Peper Essay

INTERNATIONAL ENVIRONMENTAL POLICY- Final Peper - Essay Example The members who got into the treaty hope to achieve a complete recovery of the ozone layer by the year 2050 (Benedick, 2007). c. Number of participants and the reasons for the level of participation. The protocol has managed to attract international co-operation exceptionally due to the widespread implementation as well as adoption of the treaty. The treaty has been ratified as perhaps one of the most successful agreements of international scale to date. The treaties that fall under the Montreal Protocol have successfully been ratified by the European Union as well as 197 other states. This therefore makes the protocol alongside the two ozone treaties involved the most ratified of all the treaties in United Nations history. Other participants in the treaty include the Cook Islands, Holy See alongside Niue. The protocol has its proceedings in major languages so that no one fells left out. The languages are French, English, Spanish, Russian, Chinese and Arabic. This is one of the major factors that contributed to the fact that many participants were attracted to the protocol. The other reason for such level of participation is the common goal that drives the desire to protect the earth from losing the all important ozone layer. The countries that went into the treaty, the latest entrants being South Sudan, all had the common purpose to work towards eliminating harmful substances and controlling emission of such substances that can greatly affect the ozone layer (Chasek, 2013). d. Compare the success of the Montreal Protocol to that of the Kyoto Protocol and address the reasons for any differences in terms of National Interests of those that elected to participate and those that have not. The differences witnessed between Kyoto protocol and the Montreal protocol is that the one in Montreal imposed on all countries strict restrictions from the start. That mostly differs from the mode of operation of the Kyoto protocol. The other difference that can be observed in t he two protocols is that strong incentives were created by the Montreal protocol with regards to participation and compliance if a country is to be part of the main agenda. Montreal also created a positive feedback system whereby each step aimed at reducing the depletion of the ozone layer as well as creating incentives whereby each country would feel involved in the process of decision making in regards to taking steps forward. This effort in the long run provided the participating countries with an avenue to place their trust on the efforts of fellow states and hence national interests in the Montreal protocol turned up to be higher than that of the Kyoto protocol (Dotto, 2006) 2. United Nations Conventions on the Law of the Sea. a. The issue of â€Å"Property Rights† as it relates to UNCOLS. This treaty arose from the third conference held by the United Nations that took place right between the years 1973 and 1982. The laws in this treaty tend to define responsibilities of countries on how they utilize the resources from the sea as well as the oceans of the world. The treaty laid basic guidelines for environmental conservation, conducting business alongside good use of marine resources found naturally. UNCLOS came into effect in the year 1994 after signing Guyana a year earlier. By October of 2012, the treaty enjoyed the company of 164 nations alongside the European Union. The UN is