Question

1. Knowing that P Q-480 N, determine (a) the distance a for which the absolute value of the bending moment in the beam is as small as possible, (b) the corresponding maximum stress due to bending. 12 mm 500 mm 500 mm CY D 18 mm

Answer 1

4 (a 500mm- H 2mm C D 13 18 mm RD RA et RA and R D ase reactions a Suppors A& D Ra+Rn-480-980 : 0 MomentolA 480 500)-80 1o00) --7 20000 R D (a) aRD Ca Ra = 960 、7 2 0006 -

4 (a 500mm- H 2mm C D 13 18 mm RD RA et RA and R D ase reactions a Suppors A& D Ra+Rn-480-980 : 0 MomentolA 480 500)-80 1o00) --7 20000 R D (a) aRD Ca Ra = 960 、7 2 0006 -

480A 5 oomm Mc-50e( 960-720000 ) M8 0000 3 1000-a Moments at b MD-980(to00-a):0 value of bendng mow eno essential asc ma min 80000-36 000 0000

Marom um bendong Homen Mae 48 0000-3 6x10 266 6125 GI lmm (1268) S648 mm 3 maw 64 295-61 648 .222 mm 2 ma