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Your supervisors at A&L Engineering have tasked you with evaluating the durability of three common materials used in the design of cell ph cases. For
Your supervisors at A&L Engineering have tasked you with evaluating the durability of three common materials used in the design of cell ph cases. For each material type, you have been asked to determine the force of impact of a phone dropped from a set height above the ground Using the mass of each case and the collision time, determine the force of impact on each case material and determine which case material offers the most protection.
To facilitate your analysis, you have been provided with specifications for case materials in the table below. However, you may also use your own figures for the mass of phones and test case materials. If you do use a different figure, be sure to make that clear in your analysis. As you use this data, ensure that you have made the necessary SI unit conversions:
tabletableTestMaterialMass,tableCollisionTimetablePhoneOnly NoCasetableoztablesecondsSiliconetableoztablesecondstableHardPlastictableoztablesecondsRubbertableoztableseconds
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To complete your evaluation of various materials for cell phone cases, you must create a case material evaluation report that describes the motion and impact forces of several phone case materials under evaluation.
To begin your evaluation of different case materials, you must first define Newton's laws of motion and then describe how each of Newton's laws applies to the motion you will be analyzing. As you will be presenting this report to various stakeholders, you have been asked to write your definitions and descriptions with a nontechnical audience in mind.
Once you have described the relevant laws of motion, create force diagrams to model the motion for a phone dropped from a set height. You should include diagrams, with their respective force vectors, for each phone drop. In your diagrams, address the following:
b Using the provided mass of oz or by measuring thp As the researcher, you will choose a drop height of between and meters. calculations. Remember to add the mass of the case material.
c In your diagram, show the direction and name of each force the ground. Only do the diagrams
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