KAJIDAYA BAHAN (b) Garispusat min aci padu T Rmax max = ----------- J T ( D/2) = ----------- πD 2 ------- 32 16 T = -------- πD 3 3 πD = 16 T 16 T 3 D = -------- π D = 0.0839 m = 83.9 mm 95