MEEN 221 Lecture 18 Concepts behind Shear Forces and Bending Moments Diagrams Reference Hibbeler 14th Ed Chapter 7 Q8 Find the shear force SF and bending moment BM at x 5 ft and 15 ft And find the maximum absolute value SF and BM and their locations Attendance 20 pt FBD 10 pt V digram 15 pt x 5ft V 1800 lb M 9000 lbft x 15ft V 950 lb M 7875 lbft Vmax 2200 lb x 20 ft M digram Mmax 9680 lbft x 11 2 ft 25 pt Results 30 pt 5p pt each x 15 ft find the value of V Then 9680 5 5 1 2 V will give the BM value there Q9 The coefficient of static friction between the crate and the inclined floor is 0 4 Determine the maximum and minimum force required to keep the 250 lb crate at equilibrium Also find the reason for the impending motion Show all possible cases You were asked for only Minimum Multiply the rubrics points by 5 So total is 60 point 40 point for attendance
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