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# The 20-kg roll of paper has a radius of gyration kA = 120

ISBN: 9780133951929 123

## Solution for problem 17-76 Chapter 17

Engineering Mechanics: Statics & Dynamics | 14th Edition

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Engineering Mechanics: Statics & Dynamics | 14th Edition

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Problem 17-76

The 20-kg roll of paper has a radius of gyration kA = 120 mm about an axis passing through point A. It is pin supported at both ends by two brackets AB. The roll rests on the floor, for which the coefficient of kinetic friction is k = 0.2. If a horizontal force F = 60 N is applied to the end of the paper, determine the initial angular acceleration of the roll as the paper unrolls.

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DAY 1 Coding Vocab Syntax:​ The set of rules that defines the combinations of symbols that are considered to be a correctly structured document or fragment in that language (set of rules that govern how things are done) Command: ​ An instruction to a computer or device to perform a specific task Variable: A storage location paired with an associated symbolic name (an identifier), which contains some known or unknown quantity of information (a name we associate with some sort of data so MATLAB knows that, for example, a=15, and it’ll know every time we put “a”, it is 15. It is storing things we need in a variable.) Comment:​ A line of text (command) that will not be executed but it’s there to help you understand more. Add at the end and put a % sign. Function:​ A specia

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The 20-kg roll of paper has a radius of gyration kA = 120