QUESTIONS Refer to problem 2.59 (page 93) llustrated below Consider the reaction

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QUESTIONS Refer to problem 2.59 (page 93) llustrated below Consider the reaction at support B illustrated as a roler. The direction for the reaction at B is VERTICAL (paralel with the soolb force True False QUESTION 10 Review Problem 2 59 (page 93) Consider the axes through POINT A orlented horizontaly and vertically (parallel with the bottom and sides of the excavation) MATCH up the correct MOMENT ARM for the applied forces A ot B 10ft C 24ft D 26 force (Als pbot point). Moment arm for 500 Ais pivot point) Moment arm for Ay reaction force (Ais pivet point), Moment arm for B reaction force (perpendiculat to contact surface) D ciel Save arnd Subnit to suie and sudinin Chiek Sve r to re all auneers Save Ad Ansrers

Explanation / Answer

1) Moment arm for 500# force is 0 ft. Because there is no perpendicular distace.

2) Moment arm for Ay perpendicular distance= 10ft because perpendicular distance between Ay and 500# is 10 ft.

3) Moment arm for B reaction force is=24 ft because perpendicular distance between B reaction and 500# is 24 ft.

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