... points of the span. How large can the point load P be before the beam cracks if the f't = 400 psi?
a) 50 lb
b) 100 lb
c) 400 lb
d) 600 lb
... points of the span. How large can the point load P be before the beam cracks if the f't = 400 psi?
a) 50 lb
b) 100 lb
c) 400 lb
d) 600 lb
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