a uniform wooden beam 10 m long ang weighting 200 N is used to support a load of 300 N on the left end , and 500 N on the right end. Determine the center of the gravity if another load of 80 N is 2 m from the left end

Answer 1

from left end moments
5*200 + 500*10 + 80*2 = total load * cg from left

total = 200 +300 + 500 + 80 = 1080

1080 x = 6160
x = 5.7 m

Answer 2

Wooden beam