LAB 1

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Thomas Edison State College *

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Mechanical_engineering

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Jun 14, 2024

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docx

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Uploaded by ProfessorClover19673

Lab 1: EXPERIMENTAL ERRORS AND UNCERTAINTY Roberto Ceballos TESU PHY-1280 Prof. Paramdeep Khurana 09 Jun 2024
OBJECTIVE The purpose of this lab is to go over experimental errors by demonstrating and observing examples. Uncertainties are tied into and developed from experimental errors. INTRODUCTION Mistakes and errors are always bound to happen. For experiments, the errors are minimized to create accurate results. Not all variables can be controlled so it can create uncertainty in experiments. Looking at all the data inputs prior to experiments, seeing what can be changed or what is constant will give insight on what to expect. Some specifics things utilized for this experiment are using the same unit of measurement and performing calculations as accurately as possible. MATERIALS Laptop Pen paper Graphing calculator RESULTS 1. Imagine that your team has been assigned by a construction company to measure the dimensions of an empty lot in a subdivision.  Briefly give examples of the 6 types/sources of errors described above and explain what you would do to minimize them. Errors can form a variety of issues or results. They can include a) Equipment differences- ensuring the team utilizes the same measuring tools so no tool is different and no chance of providing different results. b) Different methods of taking data-ensure the team is taught and explained on how to measure the data each and every person will then read measurements the same. c) Miscommunication between teams- this ties into the training as well. Making sure everyone is on the same page. d) Human error mistakes happen. A reading/ measurement can be missed or misread. Again, this ties into training and communication in the team. e) External factors affecting data- issues can arise where not all the measurements/data can be taken. So, ensuring the team is ready to execute before external factors arise. f) Equipment error- everyone can be using the same tool. But if every tool isn’t reading the same or damaged then different measurements/ readings result. To minimize this, calibration is involved with measuring tools. Ensuring they are accurate.
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