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The Bicycle as a System

Banujan, Declan, Harmanjot, Simran

Banu Gathies

on 4 January 2013

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Transcript of The Bicycle as a System

The as Bicycle System Today, we will be reviewing the information
from the "The Science of Cycling." We have applied our knowledge of systems to answer the questions and ready to discuss any objections to the answers of our questions. We would answer any questions at the end of this period/presentation. The bicycle is a physical system which means: -several parts that work together to perform a specific task We will now read information we have applied to our charts: More efficient We will now answer our questions and you may
object(disagree) at any time! fueled by food less energy faster transportation 1) Could any part of this bicycle be made of a different material and still help the bicycle carry out its function? QUESTION 1: 2) Can any one part of the bicycle carry out the job of the whole bicycle? Explain your answer. QUESTION 2: Answer: The material which is used to make that certain part depends if it can carry out its function. For example, if the tire is made out of plastic and not rubber, it would serve the same function because plastic is still tough, and durable but it would be not be easy to ride with a plastic tire (would be not comfortable) and be difficult to get it into shape. Hence, if any part in the bicycle were supposed to be made out of a different material; it would still hold its function. In the 1800s, the bike frame was made out of wood, it still was durable and served its function. It was in 1893 where the bicycle got the diamond-pattern frame with a roller chain and pneumatic tired wheels; and in the late 1860s, rubber tires were starting to be used; and yet, it still served its function whether it was made out of a different material. Answer: No, one part of a bicycle can not carry out the job of the whole bicycle because the bike can not work with out any parts missing. For example, if you take the tires away, the bike will not go anywhere neither without the chain and pedals; in a bike all parts are necessary. In addition, each part in the bicycle performs a specific function in the system. One part cannot perform the entire system's role. 3) Can you take a part from another bicycle and use it to replace a part in this bicycle and still have the bicycle carry out its function? Answer: Yes, if you take a part from one bike and put it on the other the bike you put the object on, it will still carry out the same function. For example, if you take a tire from a bike and put it on to another bike, the tire will still help the bike move. Therefore, you can take a part from a bike and put it on another bike and the object will still carry out the same function. Question 3 Question 4: 4) Could some parts of the bicycle be arranged differently so that the system will still carry out its function? Explain. No, the parts can not be arranged differently because that certain part was placed in a certain area so that other parts can depend on that certain part to do its function- the action of something is known for. If that certain part was placed somewhere else, then the others parts couldn’t depend on that part to do its job. In addition, a bicycle is a physical system because several parts work together in the system to perform a function. The bicycle is a man-made, and all parts depend on each other in order to serve a certain role. Question 5: 5) Does the bicycle require symmetry among any of its parts? If so, describe the symmetry. Answer: Yes, the bicycle requires symmetry among its parts. For example, in order the wheel to have exact measurements, symmetry must be used to precisely build the tire. The handles use symmetry in order to have exact length on both sides; one can not be longer than the other. The bike it self does not have symmetry  because if you cut the bike in half, the sides aren’t symmetrical because one side would have the handle bars and the other wouldn’t. Question 6 Question 6 What will happen to the bicycle if one part, such as a spoke, breaks? What if all the spokes on a wheel break? Answer: If a spoke breaks the wheel will have difficulty rolling properly; there will be more force on the part of the wheel that has no spoke which could cause the tire frame or other spokes to collapse. The spokes are an evolution in the bicycle; spokes are used to spread the weight and tension from the rider's body weight, if the spokes are broken or no spokes, the tire would eventually pop, and the tire frame would eventually crack. Not only the spokes, if any part of the bicycle breaks or stops working, the bicycle would not serve its function efficiently or properly. For example, if the shift levers break or multifunction, the bicycle could not change speeds; get slower or faster, and the pressure of the pedals can not get tougher or easier. Question 7: 7) Is it useful to think of a bicycle as a system? Justify your answer.
Answer: In essence, a system is a set of parts which completes a task; parts which work together and it can be physical. A bicycle is a physical system because there are several parts which work together to perform a function. In our perspective, it is useful to think a bicycle as a system because most of the questions asked if a part stops or breaks in a system, would the bicycle still keep its role; it is useful to think it as a system because without certain parts in a system it can not perform its function. Essentially, it is easier to think it as a system because it gives a better understand of the man-made object, the bicycle and how it works to perform certain tasks. A bicycle is a system or a mode of transportation. The bicycle can get us to places faster than walking although it can not get us too far away places faster than a car, it produces no waste whatsoever and is a healthy, environmentally safe, and efficient way to get from one destination to another. Any doubts? Do you have any
questions or concerns? ASK NOW You ask. We Answer! Thank you for listening!
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