8. Our rule-of-thumb for presenting final results is to round to three significant digits or four if the first digit is a one. By this rule, write the result for (а) о %3D Mc, where M = 1835 lbf in...

Extracted text: 8. Our rule-of-thumb for presenting final results is to round to three significant digits or four if the first digit is a one. By this rule, write the result for (а) о %3D Mc, where M = 1835 lbf in and I/c = 0.875 in³. where F = 324 lbf, l = 28.8 in, E = 30 Mpsi and I = 0.1544 in*. where T = 8543 lbf in, l = 10.00 in, G = 11.3 Mpsi, and J = d (Ъ) у 3EI (c) 0 with d = 0.988 in TI 16T (d) т %3 8, where T = 30.5 N m and d = 12.7 mm.