3.104 Five separate force-couple systems act at the corners of a piece ofsheet metal, which has been bent into the shape shown. Determinewhich of these systems is equivalent to a force F = (10 lb)i and acouple of moment M = (15 lb - ftj + (15 lb - ft)k located at theorigin.5 Ib-ft15 Ib-ft5 Ib-ft5 lb-ft15 Ib-ft10 lb10 lb15 Ib-ftB2 ft25 Ib-ft10 lb80 lb-ft2.5 ft10 lb15 Ib-ft2 ft10 Ib2 ft'15 Ib-ftFig. P3.104Lu

Answered: Image /qna-images/answer/c943418f-8676-4d19-98a9-e26871aa4f97.jpg

Answered: .104 Five separate force-couple systems…

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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The rigid body shown below (Fig 1) is subjected to four cable forces applied at different points A, B, and C.(a) Determine an equivalent system consisting of a Force-Couple system at point O. (b) Determine an equivalent force system consisting of a Single Force and specify the y-coordinate of the point where its line of action intersects the y-axis.
Identify the conditions under which a given system of forces can be reduced to a single force (Check all that apply) O One can replace the force -couple system at O by a single force R acting along a new line of action if R and M, are mutually tangential. One can replace the force -couple system at O by a single force R acting along a new line of action if R and M, are mutually perpendicular. O One can replace the force -couple system at O by a single force R acting along a new →R line of action if R and M, are mutually parallel.
Right angle tube OAB shown. Replace the 20 N pulling force that the cable exerts at point B with a force-couple system at point O.
A farmer uses cables and winch pullers B and E to plumb one side of a small barn. If it is known that the sum of the moments about the x-axis of the forces exerted by the cables on the barn at points A and D is equal to 4737.5 lb-ft, determine the magnitude of TDE when TAB = 255 lb. The magnitude of TDE is 1 ft 12 ft 1.5 ft lb. 14 ft E F 12 ft x
A blade held in a brace is used to tighten a screw at A. (a) Determine the forces exerted at B and C, knowing that these forces are equivalent to a force-couple system at A consisting of R = −(25 N)i + Ry j + Rzk and MA R = −(13.5 N·m)i. (b) Find the corresponding values of Ry and Rz. (c) What is the orientation of the slot in the head of the screw for which the blade is least likely to slip when the brace is in the position shown?
As an adjustable brace BC is used to bring a wall into plumb, the force-couple system shown is exerted on the wall. Replace this force couple system with an equivalent force-couple system at A if R=21.2 lb and M=13.25 lb·ft.
Two bolts at A and B are used to move the trunk of a fallen tree. Replace the forces exerted by the ropes with an equivalent wrench and determine (a) the resultant force , (b) the pitch of the wrench, (c) the point where the axis of the wrench intersects the yz plane.
.******** -5 in. A 30-Ib vertical force P is applied at A to the bracket shown., which is held by screws B and C. (a) Replace 2 in. P with an equivalent force-couple system at B. (b) B Find the two horizontal forces at B and C that are 3 in equivalent to the couple obtained in part a. ********* ******** *
3.80 Shafts A and B connect the gear box to the wheel assemblies of a tractor, and shaft C connects it to the engine. Shafts Page 133 A and B lie in the vertical yz plane, while shaft C is directed along the x axis. Replace the couples applied to the shafts by a single equivalent couple, specifying its magnitude and the direction of its axis. Fig. P3.80 20° 1200 lb-ft 900 lb-ft 20⁰ 840 lb-ft B

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