The blades of the portable fan generate a 1.0-lb thrust T as shown. Compute the moment Mo of this force about the rear support point O. For comparison, determine the moment about O due to the weight of the motor-fan unit AB, whose weight of 7.7 lb acts at G. The moments are positive if counterclockwise, negative if clockwise. Assume a = 9.0 in., b = 1.5 in., c = 12.5 in., d = 3.5in., e = 2.5 in., and 0 = 16⁰. Air flow B d C 0

The blades of the portable fan generate a 1.0-lb thrust T as shown. Compute the moment Mo of this force about the rear support point O. For comparison, determine the moment about O due to the weight of the motor-fan unit AB, whose weight of 7.7 lb acts at G. The moments are positive if counterclockwise, negative if clockwise. Assume a = 9.0 in., b = 1.5 in., c = 12.5 in., d = 3.5in., e = 2.5 in., and 0 = 16⁰. Air flow B d C 0

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter2: Basic Operations With Force Systems

Section: Chapter Questions

Problem 2.30P: Determine the moment of the force F about point A in terms of F and d. Use (a) the scalar method;...

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