(a)4.43$\mathrm { m } / \mathrm { s } ^ { 2 }$ (a)4.43$\mathrm { m } / \mathrm { s } ^ { 2 }$ Page 2
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A tow truck pulls a car that is stuck in the mud, with a force of 2500 N as in Fig P5.27 The tow cable is under tension and therefor pulls downward and to the left on the pin at its upper end. The light pin is held in equilibrium by forces exerted by the two bars A and B. Each bar is a strut that is, each is a bar whose weight is small compared to the forces it exerts, and which exerts forces only through hinge pins at its ends. Each strut exerts a force directed parallel to its length. Determine the force of tension or compression in each strut. Proceed as follows Make a guess as to which way (pushing or pulling ) each force acts on the top pin Draw a free-body diagram of the pin. Use the condition for equilibrium of the pin to translate the free-body diagram into equations. From the equations calculate the forces exerted by struts A and B. If you obtain a positive answer, you correctly guessed the direction of the force. A negative answer means the direction should be reversed, but the absolute value correction should be reversed, but the absolute value correctly gives the magnitude of the force. If a strut pulls of a pin, it is in tension. If it pushes, the strut is in compression. Identify whether each strut is in tension or in compression. Recommended textbooks for you  College Physics Author:Raymond A. Serway, Chris Vuille Publisher:Cengage Learning Principles of Physics: A Calculus-Based Text Author:Raymond A. Serway, John W. Jewett Publisher:Cengage Learning Physics for Scientists and Engineers: Foundations... Publisher:Cengage Learning College Physics Author:Raymond A. Serway, Chris Vuille Publisher:Cengage Learning College Physics ISBN:9781305952300 Author:Raymond A. Serway, Chris Vuille Publisher:Cengage Learning Principles of Physics: A Calculus-Based Text ISBN:9781133104261 Author:Raymond A. Serway, John W. Jewett Publisher:Cengage Learning Physics for Scientists and Engineers: Foundations... ISBN:9781133939146 Author:Katz, Debora M. Publisher:Cengage Learning College Physics ISBN:9781285737027 Author:Raymond A. Serway, Chris Vuille Publisher:Cengage Learning Recommended textbooks for you College Physics Author:Raymond A. Serway, Chris Vuille Publisher:Cengage Learning University Physics (14th Edition) Author:Hugh D. Young, Roger A. Freedman Introduction To Quantum Mechanics Author:Griffiths, David J., Schroeter, Darrell F. Publisher:Cambridge University Press Physics for Scientists and Engineers Author:Raymond A. Serway, John W. Jewett Publisher:Cengage Learning Lecture- Tutorials for Introductory Astronomy Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden College Physics: A Strategic Approach (4th Editio... Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field College Physics ISBN:9781305952300 Author:Raymond A. Serway, Chris Vuille Publisher:Cengage Learning University Physics (14th Edition) ISBN:9780133969290 Author:Hugh D. Young, Roger A. Freedman Publisher:PEARSON Introduction To Quantum Mechanics ISBN:9781107189638 Author:Griffiths, David J., Schroeter, Darrell F. Publisher:Cambridge University Press Physics for Scientists and Engineers ISBN:9781337553278 Author:Raymond A. Serway, John W. Jewett Publisher:Cengage Learning Lecture- Tutorials for Introductory Astronomy ISBN:9780321820464 Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden Publisher:Addison-Wesley College Physics: A Strategic Approach (4th Editio... ISBN:9780134609034 Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field Publisher:PEARSON |
Two packing crates of masses 10kg and 5kg
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