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

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

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Basic Terminology in Mechanics

The area of science and mathematics concerned the motion of the objects, the relation between the force matter, and motion if specified. Forces exerted over the objects result in displacements or changes in the position of an object concerning its environment. This branch of physics keeps its roots in Ancient Greece in the form of the scripts of Aristotle and Archimedes.

Question

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 = 16%
Air flow
Answers:
Due to thrust T Mo=
Due to weight Mo=
B
15.574
i -22.626
lb-in.
Ib-in.

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