Three ropes pull on a knot as shown in the figure below. The knot is not accelerating. F3 on K 400 N F2 on K F₁ on K Draw a force diagram showing all of the forces exerted on the knot and use qualitative reasoning (no calculations) to find the magnitude and direction of the sum for the forces ropes 3 and 2 exert on the know (F3 on K+F2 on K)

Three ropes pull on a knot as shown in the figure below. The knot is not accelerating. F3 on K 400 N F2 on K F₁ on K Draw a force diagram showing all of the forces exerted on the knot and use qualitative reasoning (no calculations) to find the magnitude and direction of the sum for the forces ropes 3 and 2 exert on the know (F3 on K+F2 on K)

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

Graphical Methods

The graphical method is a method of solving equations involving more than one variable using the Cartesian coordinate system. In civil engineering, the use of the graphical method is limited to the problems involving two variables. The graphical method has a great impact in solving the questions regarding engineering mechanics.

Question

Three ropes pull on a knot as shown in the figure below. The knot is not
accelerating.
F3 on K
400
N
F2 on K
F₁ on K
Draw a force diagram showing all of the forces exerted on the knot and use
qualitative reasoning (no calculations) to find the magnitude and direction of
the sum for the forces ropes 3 and 2 exert on the know (F3 on K+F2 on K)

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