A 20.0-m-long uniform beam weighing 700 N rests on walls A and B, as shown in the figure below. с 3.0 m Cyright ©2008 Pearson Education in A -20.0 m 12.0 m B D (a) Find the maximum mass of a person who can walk to the extreme end D without tipping the beam. (Hint: At that moment, the normal force on the beam due to wall A would be zero.) (b) Find the forces that the walls A and B exert on the beam when the person is standing at D. (c) Find the forces that the walls A and B exert on the beam when the person is standing at a point 2.0 m to the right of B. (d) Find the forces that the walls A and B exert on the beam when the person is standing at a point 2.0 m to the right of A.

A 20.0-m-long uniform beam weighing 700 N rests on walls A and B, as shown in the figure below. с 3.0 m Cyright ©2008 Pearson Education in A -20.0 m 12.0 m B D (a) Find the maximum mass of a person who can walk to the extreme end D without tipping the beam. (Hint: At that moment, the normal force on the beam due to wall A would be zero.) (b) Find the forces that the walls A and B exert on the beam when the person is standing at D. (c) Find the forces that the walls A and B exert on the beam when the person is standing at a point 2.0 m to the right of B. (d) Find the forces that the walls A and B exert on the beam when the person is standing at a point 2.0 m to the right of A.

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter12: Static Equilibrium And Elasticity

Section: Chapter Questions

Problem 39P: The forearm shown below is positioned at an angle with respect to the upper arm , and a 5.0- kg...

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