F1 = 160 KN EXERCISE F2 = 20 KN F3 = 85 KN F4 = 75 KN F5 = 150 KN F6 = 10 KN F7 = 45 KN F2 F3 PROBLEM 3 Solve the resultant of the concurrent force system in Figure 8. Determine the following: A. Magnitude of the resultant of the forces. B. Angle of inclination of the resultant. 60 45 65 F4 F1 36 50 F5 F7 C. Direction of the resultant. F6

Q: 5 kN/m A D В C 70 kN 70 kN - 3 m -→|-– 5 m –+ 3 m →

A: Given:-

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A: We are authorized to answer three subparts at a time, since you have not mentioned which subparts…

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A: Given:- F1=60 lb FR=-100k To find:- F2-magnitude and direction

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.