Item 1Replace the loading system by an equivalent resultantforce and couple moment acting at point A. AssumeF = 130 lb, F,= 60 lb and F3180 lb (Figure 1)Part ADetermine the magnitude of the resultant force.Express your answer to three significant figures and include the appropriate units.µAFR =ValueUnits%3DSubmitRequest AnswerFigureC 1 of 1Part B13Determine the angle between the resultant force and the x axis4.Express your answer using three significant figures.ftF2vec3 ft--3 ft13counted counterclockwise from positiveaxisSubmitRequest AnswerO G ) ENG3.

Given F1=130lb F2=60lb F3=180lb

m 1 Replace the loading system by an equivalent resultant Force and couple moment acting at point A. Assume F = 130 lb, F= 60 lb and F = 180 lb (Figure 1) Part A Determine the magnitude of the resultant force. Express your answer to three significant figures and include the appropriate units. ? FR = Value Units Submit Request Answer igure 1 of 1 Part B F, Determine the angle between the resultant force and the z axis. Express your answer using three significant figures. 1 ft Vol AEo IT vec 3 ft counted counterclockwise from positive %3D axis Submit Request Answer O G 4) ENC

m 1 Replace the loading system by an equivalent resultant Force and couple moment acting at point A. Assume F = 130 lb, F= 60 lb and F = 180 lb (Figure 1) Part A Determine the magnitude of the resultant force. Express your answer to three significant figures and include the appropriate units. ? FR = Value Units Submit Request Answer igure 1 of 1 Part B F, Determine the angle between the resultant force and the z axis. Express your answer using three significant figures. 1 ft Vol AEo IT vec 3 ft counted counterclockwise from positive %3D axis Submit Request Answer O G 4) ENC

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

Item 1
Replace the loading system by an equivalent resultant
force and couple moment acting at point A. Assume
F = 130 lb, F,= 60 lb and F3
180 lb (Figure 1)
Part A
Determine the magnitude of the resultant force.
Express your answer to three significant figures and include the appropriate units.
µA
FR =
Value
Units
%3D
Submit
Request Answer
Figure
C 1 of 1
Part B
13
Determine the angle between the resultant force and the x axis
4.
Express your answer using three significant figures.
ft
F2
vec
3 ft--
3 ft
13
counted counterclockwise from positive
axis
Submit
Request Answer
O G ) ENG
3.

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