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Get Full Access to Engineering Mechanics: Statics & Dynamics - 14 Edition - Chapter 17 - Problem 17-70
Get Full Access to Engineering Mechanics: Statics & Dynamics - 14 Edition - Chapter 17 - Problem 17-70

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# Solved: The 20-kg roll of paper has a radius of gyration

ISBN: 9780133951929 123

## Solution for problem 17-70 Chapter 17

Engineering Mechanics: Statics & Dynamics | 14th Edition

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Problem 17-70

The 20-kg roll of paper has a radius of gyration kA = 90 mm about an axis passing through point A. It is pin supported at both ends by two brackets AB. If the roll rests against a wall for which the coefficient of kinetic friction is k = 0.2, determine the constant vertical force F that must be applied to the roll to pull off 1 m of paper in t = 3 s starting from rest. Neglect the mass of paper that is removed.

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