A worker is raising a 9.2-m-long ladder of mass 53 kg as shown. Knowing that the force

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A worker is raising a 9.2-m-long ladder of mass 53 kg as shown. Knowing that the force exerted by the worker is perpendicular to the ladder, determine

(a) The smallest value of a for which the vertical component of the reaction at B is zero,

(b) The corresponding force exerted by the worker.

1.75 m

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Vector Mechanics for Engineers Statics and Dynamics

ISBN: 978-0073212227

8th Edition

Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell

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Question Posted: Sep 01, 2010 06:39 AM

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A worker is raising a 9.2-m-long ladder of mass 53 kg as shown. Knowing that the force

Question:

1.75 m

Step by Step Answer:

FreeBody Diagram 175m Therefore 9 This implies te BD JIN BD ...View the full answer

Vector Mechanics for Engineers Statics and Dynamics

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