To determine Determine the distance b . Explanation Show the free body diagram of the slender bar as in Figure (1). Write summation of forces in t direction. ∑ F t = m a t F = m a A (I) Here, mass of the slender rod is m , applied force is F and acceleration of rod A is a A . Consider summation of moments about centroid G by considering moments in anti-clockwise direction as positive. ∑ M G = I G α + m a d F x = 1 12 m l 2 α + m ( x a ) x (II) Here, moment of inertia about centroid is I G , angular acceleration of the bar is α , the distance of point F from centroid is x and length of the bar is l . Express the distance b . b = ( 0.8 m ) − x (III) Conclusion: Substitute 20 m / s 2 for a A in Equation (I)

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ISBN: 9781118885840

Author: James L. Meriam, L. G. Kraige, J. N. Bolton

Publisher: WILEY

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Chapter 6.5, Problem 71P

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Determine the distance b.

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