2. Consider two forces F, and F₂, both having the same magnitude. F, makes an angle of 60° with both the y and the z axes. F₂ lies in the xy plane and makes an angle of 60° with the x axis. The directions of both forces are as indicated in the sketch. Find the angle between the two forces.[ans: 38.1°] 60° F₁ 60⁰ 60⁰ F₂

2. Consider two forces F, and F₂, both having the same magnitude. F, makes an angle of 60° with both the y and the z axes. F₂ lies in the xy plane and makes an angle of 60° with the x axis. The directions of both forces are as indicated in the sketch. Find the angle between the two forces.[ans: 38.1°] 60° F₁ 60⁰ 60⁰ F₂

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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Graphical Methods

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Question

2. Consider two forces F₁ and F₂, both having the same magnitude. F, makes an
angle of 60° with both the y and the z axes. F₂ lies in the xy plane and makes an
angle of 60° with the x axis. The directions of both forces are as indicated in the
sketch. Find the angle between the two forces.[ans: 38.1°]
N
60° F₁
60⁰
60⁰

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