1% YE lI.A V:rOGد واجب العزوم ثلاثية الا. . .Article 2/8 Problems 812/121 A 50-lb force is applied to the control pedal as2/119 The figure of Prob. 2/101 is shown again here. Ifthe magnitude of the moment of F about line CD is50 N m, determine the magnitude of F.shown. The force lies in a plane parallel to the xeplane and is perpendicular to BC. Determine themoments of this force about point O and about theshaft OA.Ans F- 228NAns. M, - -90.6i - 690j - 338k Ib-inMOA = -690 Ib-in.B0.2 m0.2 mA0.2 m0.4 mProblem 2/119Representative Problems2/120 Two 1.2-lb thrusters on the nonrotating satellite aresimultaneouely fired ae whown. Compute the mo-ment associated with this couple and state aboutwhich satellie axes rutations will begin to occur.1550 lbProblem 2/1212/122 A moment (torque) M applied to the shaft and at-tached arm causes a tension T of 120 Ib applied toA by the restraining cable AB. Determine the mo-ment Mo of the tension about point O.1.2 lb20202014"256012 IbMT-120 lb16Problem 2/12014"Problem 2/122II

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Answered: 2/119 The figure of Prob. 2/101 is…

2/119 The figure of Prob. 2/101 is shown again here. If the magnitude of the moment of F about line CD is 50 N-m, determine the magnitude of F. Ans. F- 228 N

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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

1% YE lI.
A V:rO
G
د واجب العزوم ثلاثية الا. . .
Article 2/8 Problems 81
2/121 A 50-lb force is applied to the control pedal as
2/119 The figure of Prob. 2/101 is shown again here. If
the magnitude of the moment of F about line CD is
50 N m, determine the magnitude of F.
shown. The force lies in a plane parallel to the xe
plane and is perpendicular to BC. Determine the
moments of this force about point O and about the
shaft OA.
Ans F- 228N
Ans. M, - -90.6i - 690j - 338k Ib-in
MOA = -690 Ib-in.
B
0.2 m
0.2 m
A
0.2 m
0.4 m
Problem 2/119
Representative Problems
2/120 Two 1.2-lb thrusters on the nonrotating satellite are
simultaneouely fired ae whown. Compute the mo-
ment associated with this couple and state about
which satellie axes rutations will begin to occur.
15
50 lb
Problem 2/121
2/122 A moment (torque) M applied to the shaft and at-
tached arm causes a tension T of 120 Ib applied to
A by the restraining cable AB. Determine the mo-
ment Mo of the tension about point O.
1.2 lb
20
20
20
14"
25
60
12 Ib
M
T-120 lb
16
Problem 2/120
14"
Problem 2/122
II

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