55 L h ave µ Example 1.7 2 10 6 1+ 354× flow ⋅ Y 3 tons Prof. Ramesh Singh, Notes by Dr. Singh/ Dr. Colton Lw 10 − 2 15⋅ 10× 7 . 6 7 . 3 = . ⋅ . 1 1 3 1× N = 10 − . 0 2× roller × 7 . 1+ 392 , 28 F 6 = × =