Article – 3

Example 3.3 : Derive the mathematical relationship between the foot pound-force and the joule. Solution ; Since 1 ft = 0.3048 m. 1 lbf = 4.45 N. Therefore 1 ft lbf = 0.3048 X 4.45 = 1.356 meter-newton or joule. Or 1 joule = 1/1.356 = 0.7374 ft lbf. D – Unit of Power. ................
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