From the given figure shown below. The hook is subjected to three forces P, Q and S as shown. P = 45Kn and Q = 55 KN. 60° a. Determine the a such that the resultant of the three forces is 90 KN acting horizontally to the right. b. If angle a = 60 degrees, find the magnitude of the Force S such that the resultant force is horizontal to the right? c. Determine the magnitude of force S such that the three forces are in equilibrium ...

From the given figure shown below. The hook is subjected to three forces P, Q and S as shown. P = 45Kn and Q = 55 KN. 60° a. Determine the a such that the resultant of the three forces is 90 KN acting horizontally to the right. b. If angle a = 60 degrees, find the magnitude of the Force S such that the resultant force is horizontal to the right? c. Determine the magnitude of force S such that the three forces are in equilibrium ...

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.

Question

From the given figure shown below. The hook is subjected to three forces P, Q and S as shown.
P = 45Kn and Q = 55 KN.
P
60°
a. Determine the a such that the resultant of the three forces is 90 KN acting horizontally to
the right.
b. If angle a = 60 degrees, find the magnitude ef the Force S such that the resultant force is
horizontal to the right?
c. Determine the magnitude of force S such that the three forces are in equilibrium
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