EXAMPLE:ALVIN (FN) = 1+ 12 + 23 +9 + 14 = 59NAVALTA (MN) = 14 +1+ 23 + 1+ 12 + 21 + 1 = 72DELIRO (SN) = 4 + 5+ 12 + 9 + 19 + 16 = 654 mBm1. Determine the components of F that act along rod AC andperpendicular to it. Point B is located 3 m along the rodfrom end C.F= SN N3 m6 m4 m2. Determine the following:a) Magnitude of the projected component of along the line of action of F2b) Angle 0 between the two cables attached to the pipe.F, = MN Ib12060°F, = SN Ib3. The guy wires are used to support the telephone pole. Represent theforce in each wire in Cartesian vector form. Neglect the diameter ofthe pole1.5 mF, = MNNF2= EN N4 m2 mD.4 m3 m.

As per guidelines we need to answer only 1st question.

ALVIN (FN) = 1+ 12 + 23 + 9 + 14 = 59 NAVALTA (MN) = 14 + 1 + 23 + 1 + 12 +21 +1 = 72 DELIRO (SN) = 4 + 5+ 12 +9 + 19 + 16 = 65 4 m B 4 m Determine the components of F that act along rod AC and perpendicular to it. Point B is located 3 m along the rod from end C. F= SN N 3 m 6 m 4 m D

ALVIN (FN) = 1+ 12 + 23 + 9 + 14 = 59 NAVALTA (MN) = 14 + 1 + 23 + 1 + 12 +21 +1 = 72 DELIRO (SN) = 4 + 5+ 12 +9 + 19 + 16 = 65 4 m B 4 m Determine the components of F that act along rod AC and perpendicular to it. Point B is located 3 m along the rod from end C. F= SN N 3 m 6 m 4 m D

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

System of Forces

A force is an external influence or agent that changes the state of a system. According to Newton's second law, the force applied to a body is proportional to the change in momentum of a body. Hence, whenever a force is applied to a body, its momentum changes. If the body is at rest, under the action of force, its state of rest changes to motion. In other words, the magnitude of the momentum of the body changes from zero to a measurable value. Similarly, if the body possesses some initial velocity, it has some associated momentum, the effect of force can cause the body to halt or come to rest, that is, the momentum reduces to zero.

Question

EXAMPLE:
ALVIN (FN) = 1+ 12 + 23 +9 + 14 = 59
NAVALTA (MN) = 14 +1+ 23 + 1+ 12 + 21 + 1 = 72
DELIRO (SN) = 4 + 5+ 12 + 9 + 19 + 16 = 65
4 m
B
m
1. Determine the components of F that act along rod AC and
perpendicular to it. Point B is located 3 m along the rod
from end C.
F= SN N
3 m
6 m
4 m
2. Determine the following:
a) Magnitude of the projected component of along the line of action of F2
b) Angle 0 between the two cables attached to the pipe.
F, = MN Ib
120
60°
F, = SN Ib
3. The guy wires are used to support the telephone pole. Represent the
force in each wire in Cartesian vector form. Neglect the diameter of
the pole
1.5 m
F, = MNN
F2= EN N
4 m
2 m
D.
4 m
3 m.

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