For each system of coplanar forces, determine the magnitude and direction of the resultant For each system of coplanar forces, determine the magnitude and direction of the resultantF₁ = 300 lbF₁ = 3 kNF₁ = 10 kip1530°Fig. P2-471-CThe three forces shown in Fig. P2-48.105°OF3=750 lb78°Fig. P2-48|F₂ = 600 lb60°33°F₂=5 kN30°F3=4 kNThe three forces shown in Fig. P2-49.32°35°Fig. P2-49x30°XF₂ = 20 kipF3 = 25 kip

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Answered: For each system of coplanar forces,…

For each system of coplanar forces, determine the magnitude and direction of the resultant F₁ = 300 lb 30° |F₂ = 600 lb Fig. P2-47 60° 33° F3=750 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.

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