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Get Full Access to Engineering Mechanics: Statics & Dynamics - 14 Edition - Chapter 17 - Problem 17-72
Get Full Access to Engineering Mechanics: Statics & Dynamics - 14 Edition - Chapter 17 - Problem 17-72

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# The 30-kg disk is originally spinning at v = 125 rad>s. If

ISBN: 9780133951929 123

## Solution for problem 17-72 Chapter 17

Engineering Mechanics: Statics & Dynamics | 14th Edition

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Problem 17-72

The 30-kg disk is originally spinning at v = 125 rad>s. If it is placed on the ground, for which the coefficient of kinetic friction is C = 0.5, determine the time required for the motion to stop. What are the horizontal and vertical components of force which the member AB exerts on the pin at A during this time? Neglect the mass of AB.

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Lecture 8: Test Review Lecture 9: Mass, Weight, G c Outcomes  Explain the difference in mass and weight  Convert units of given physical quality using g wcen appropriate Mass/Force/Weight  Mass is an object's resistance to acceleration  Force is the agency that is capable of producing a change in velocity of an object. Based on Newton's 2 nd Law: o Force = mass * acceleration o F = m * a  Weight is the force of gravity on an object o Weight = mass * gravity o W = m * g  Remember, mass is independent of location in the universe, but your weight is not. Your mass on Earth is the same as on the moon, but your weight would only be 1/6 as much Mass and Weight  Weight depends on

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