Determine the magnitude of the resultant force. Express your answer in pounds to three significant figures. FR = Submit Part B 197| ΑΣΦ Request Answer vec Determine the angle between the resultant force and the axis. Express your answer in degrees to three significant figures. ? lb

Determine the magnitude of the resultant force. Express your answer in pounds to three significant figures. FR = Submit Part B 197| ΑΣΦ Request Answer vec Determine the angle between the resultant force and the axis. Express your answer in degrees to three significant figures. ? lb

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

Replace the loading acting on the frame by an equivalent resultant force
and specify where the resultant's line of action intersects member AB
(Figure 1). Suppose that F₁ = 200 lb, F2 = 100 lb, and M = 400 lb. ft.
Figure
x
F₂
M
30⁰
-3 ft
B
2 ft
4 ft
1 of 1
Determine the magnitude of the resultant force.
Express your answer in pounds to three significant figures.
FR =
Submit
Part B
0 =
Submit
Part C
Determine the angle between the resultant force and the x axis.
Express your answer in degrees to three significant figures.
y =
ΠΑΣΦ
Submit
Provide Feedback
Request Answer
↓↑
ΑΣΦ
Request Answer
ΑΣΦ
vec
↓↑ vec
Specify where the resultant's line of action intersects member AB, measured from A.
Express your answer in feet to three significant figures.
Request Answer
?
vec
?
lb
O
, measured counterclockwise
from the positive x axis
ft below A

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Step 2: Determine the resultant force

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Step 3: Determine direction of resultant

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Step 4: Determine distance of intersection of resultant from A

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