Fundamental Problem 4.33 Replace the loading system by an equivalent resultant force and specify where the resultant's line of action intersects the horizontal segment of the member measured from A. Assume F₁ = 25 kN and F2₂ = 18 kN. (Figure 1) Part A Determine the magnitude of the resultant force. Express your answer to three significant figures and include the appropriate units. FR = Submit 0= μÀ Submit Value 1 → Units My Answers Give Up Part B Determine the angle between the resultant force and the x axis. Express your answer using three significant figures. || ΑΣΦ vec ? My Answers Give Up ? °, counted counterclockwise from positive z axis

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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.