3/77 The square steel plate has a mass of 1800 kg with mass center at its center G. Calculate the tension in each of the three cables with which the plate is lifted while remaining horizontal. Ans. TA TB 5.41 kN, Tc 9.87 kN

3/77 The square steel plate has a mass of 1800 kg with mass center at its center G. Calculate the tension in each of the three cables with which the plate is lifted while remaining horizontal. Ans. TA TB 5.41 kN, Tc 9.87 kN

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

3/77 The square steel plate has a mass of 1800 kg with
mass center at its center G. Calculate the tension in
each of the three cables with which the plate is lifted
while remaining horizontal.
Ans. TA TB 5.41 kN, Tc = 9.87 kN
A
D
2400
mm
G
C 1200 mm
1200 mm
1200 mm
2400 mm
B
Problem 3/77

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Step 1: Given data:

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Step 2: Writing the coordinates Finding the position vector and unit vectors:

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Step 3: Equating the sum of all forces the forces equals to zero :

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Step 4: Finding the tensions in each cable of the given system:

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