Use the workedexample above to help you solve this problem. Two disgruntledbusin
ID: 1722240 • Letter: U
Question
Use the workedexample above to help you solve this problem. Two disgruntledbusinessmen are trying to use a revolving door, as shown in thefigure. The door has a diameter of 2.60 m. The businessman on theleft exerts a force of 637 N perpendicular to the door and 1.3 mfrom the hub's center, while the one on the right exerts a force of776 N perpendicular to the door and 0.671 m from the hub's center.Find the net torque on the revolving door.N · m Use the workedexample above to help you solve this problem. Two disgruntledbusinessmen are trying to use a revolving door, as shown in thefigure. The door has a diameter of 2.60 m. The businessman on theleft exerts a force of 637 N perpendicular to the door and 1.3 mfrom the hub's center, while the one on the right exerts a force of776 N perpendicular to the door and 0.671 m from the hub's center.Find the net torque on the revolving door.
N · m
Explanation / Answer
Torque applied by the businessman on left side,1 = - r1 F1 = - 1.3 * 637 = - 828.1 Nm ( Here '-' representClockwise torque ) Torque applied by the businessman on right side,2 = r2 F2 = 0.671 * 776 = + 520.7 Nm ( Here '+'represent Anticlockwise torque ) Net torque , = 1 +2 = - 828.1 + 520.7 = -307.4 Nm
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