number 5 LULILULUI. E. 5. (10 points) A uniform board of a length 6 m supported...

Question

Question

number 5

Answer 1

Answer #1

Bar is supported at the middle so

l1 = distance of force 1 = 3 m

now given that bar is in equilibrium so moment balance about support

l1 * F1 + l3 * F3 = l2 * F2

3 * 50 + l3 * 80 = 2.3 * 150

l3 = 2.4375 m

feel free to drop comment if you have any doubt.

Answer 2

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