posted by Stephanie on .
A 30-lb weight is attached to one end of a 6-ft uniform beam whose own weight is 20-lb. Where is the balance point? Thanks in advance.
take moments around end where 30 lb weight is
total force up = 20+30 = 50
50 x = 20 * 3
x = 6/5 = 1.2 ft from end where 30 lb weight is