Question

1) The diving board shown below has cross-section of 600 x 45 mm with E = 10.3 GPa Determine maximum bending stress and tip deflection when a 300 lb person is standing at the center of the width at the free end 2m 0.7m MPа mm ОМАХ УМАХ 3) Determine the width of the Hertzian contact patch between the diving board and the center fulcrum. The fulcrum is an aluminum cylinder with 10 mm radius across the full width of the diving board. The board is fiberglass with E 11 GPa and Poisson's ratio 0.37. width

I need the problem 3 solved not 1

Answer 1

L= 1334 .46 N A RAH RAH-G RAV RB RAVRB 1334.46 (A =O/ 2x 1334.46 RB= 3812.76 N inder So dcovtat beta Board 3812 76N

Widdh half = b Ans 17179 OHZ Mm full wich = 2b = 0 Diving Bood G00 ysiredor 600x 45mm. Given Cylinder Object D der Aluminium E70 GPa -o.33 di E= 3812.76N 20 Mm 0omm fll coutac). lengt bjeat Boansd b- widtf = COoMm h 4m E= IGPa formula fer rectangular contoct widt (2b) (2b) 2F (I- , TTL + Ci-/E =2 38.2. Wit

Wid (2b 0.17179mm O0073 2 Ans