1 ft 3 ft 3 ft (-900î + 800j + 1000k) Ib.ft 3 ft 6 ft 3 ft E (-300î – 400 + 100k) Ibs The applied force at point E and the applied couple moment at point D are shown in the figure. Complete/calculate the following: (Where applicable, express the results as the (x, y, z) components of a Cartesian vector) 1. Draw the free-body diagram (FBD), showing the appropriate reaction forces and/or moments at the supports. (You must show the reactions in their component form i.e. show RAx, MRAX etc. on the FBD). Note: The support at point A is not able to resist a moment about the 'X' axis but is able to resist a force in this direction. 2. The unit vector Ágc 3. The position vector Teja

1 ft 3 ft 3 ft (-900î + 800j + 1000k) Ib.ft 3 ft 6 ft 3 ft E (-300î – 400 + 100k) Ibs The applied force at point E and the applied couple moment at point D are shown in the figure. Complete/calculate the following: (Where applicable, express the results as the (x, y, z) components of a Cartesian vector) 1. Draw the free-body diagram (FBD), showing the appropriate reaction forces and/or moments at the supports. (You must show the reactions in their component form i.e. show RAx, MRAX etc. on the FBD). Note: The support at point A is not able to resist a moment about the 'X' axis but is able to resist a force in this direction. 2. The unit vector Ágc 3. The position vector Teja

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

1 ft
3 ft
B
3 ft
3 ft
(-9002 + 800f + 1000k) Ib.ft
6 ft
3 ft
E
(-300î – 400ĵ + 100k) Ibs
The applied force at point E and the applied couple moment at point D are shown in the figure.
Complete/calculate the following: (Where applicable, express the results as the (x, y, z)
components of a Cartesian vector)
1. Draw the free-body diagram (FBD), showing the appropriate reaction forces and/or
moments at the supports. (You must show the reactions in their component form i.e.
show RAx, MRAX etc. on the FBD). Note: The support at point A is not able to resist a
moment about the 'X' axis but is able to resist a force in this direction.
2. The unit vector ÅBc
3. The position vector Tɛ/a
4. The position vector īB/a

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