How did the angle become 85 degrees on the one encircled with red pen below? given:60°35LOONX- component af Reultant fasuce(+) Fe = (80x4) -100 cos85°55.284 Nつ-component f Resultant fauce = 55. 284N(-)y component of uoultont fouce(41) fy-100 Sin 85°80x 3= -147-619 N:1ycomponent f Resulant fauce a I47-619 w() 60°Determine the:a. X component of the resultant forceb. Y component of the resultant force3c. Magnitude of the resultant force35°d. Direction of the resultant from80 Nthe x-axis100 NNote: Forces are all in Newtons

The sum of angles T a point on a straight line is 180°.

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Civil Engineering

How did the angle become 85 degrees on the one encircled with red pen below?

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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Question

How did the angle become 85 degrees on the one encircled with red pen below?

given:
60°
35
LOON
X- component af Reultant fasuce
(+) Fe = (80x4) -
100 cos85°
55.284 N
つ
-component f Resultant fauce = 55. 284N
(-)
y component of uoultont fouce
(41) fy
-100 Sin 85°
80x 3
= -147-619 N
:1ycomponent f Resulant fauce a I47-619 w()

60°
Determine the:
a. X component of the resultant force
b. Y component of the resultant force
3
c. Magnitude of the resultant force
35°
d. Direction of the resultant from
80 N
the x-axis
100 N
Note: Forces are all in Newtons

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