A 4 × 12 S4S Douglas fir beam is loaded and supported as shown.
a. Calculate the maximum bending stress developed in the beam.
b. Determine the magnitude of the bending stress developed three feet to the left of support B.
A 4 × 12 S4S Douglas fir beam is loaded and supported as shown.
a. Calculate the maximum bending stress developed in the beam.
b. Determine the magnitude of the bending stress developed three feet to the left of support B.