PSAD SITUATION 32: Sliding of a Plank (Friction) | CELE November 2023 скачать в хорошем качестве

PSAD SITUATION 32: Sliding of a Plank (Friction) | CELE November 2023

CELE Past Board Exam Problem Check out our Review Center: https://www.facebook.com/share/1AC24W... SITUATION 32: A 120 kg man walks on a 4 m plank resting on rough surfaces at A and B. Given: Coefficient of friction at A = 0.40 and coefficient of friction at B = 0.20. 1. At what distance x will the plank start to slide? A. 1.35 m C. 2.65 m B. 1.68 m D. 2.32 m 2. What is the friction force (N) at A? A. 256.7 C. 641.9 B. 98.6 D. 492.9 3. What is the vertical force (N) at B? A. 256.7 C. 641.9 B. 98.6 D. 492.9 Thanks for watching! Comment for questions and suggestions for future lecture in this series. Subscribe and hit the bell button to be notified for future posts. #civilengineering #boardexam #engineering #structuralanalysis #structuralengineering #CivilEngineeringLicensureExamination #PRC #PSAD #theoryofstructures #influencelines #cele #steeldesign #staticsofrigidbodies #mechanicsofmaterials #strengthofmaterials #trusses #howetruss #methodofjoints #methodofsections #friction