Question

Determine the force in each CE, EB, and EF of the truss and state if the members are in tension or compression. Set P1 = 8 kN, P2 = 12 kN. Note: Make sure to provide the solution for the answers together with the conversion that matches the answer on the options. * G F E 2 m A B C D 1 m 2 m 1 m P1 P2 CE=0, EB= 17,000 N (T) and EF= 18,000 N (C) CE= 0, EB= 17,000 kg-m/s^2 (C) and EF= 18,000 kg-m/s^2 (T) CE= 0, EB= 17,000 kg-m/s^2 (T) and EF= 18,000 kg-m/s^2 (C) CE=0, EB= 17,000 kN (C) and EF= 18,000 kN (T) None of the choices

          Determine the force in each CE, EB, and EF of the truss and state if the members are in tension or compression. Set P1 = 8 kN, P2 = 12 kN. Note: Make sure to provide the solution for the answers together with the conversion that matches the answer on the options. *
G F E
2 m
A B C D
1 m 2 m 1 m
P1 P2
CE=0, EB= 17,000 N (T) and EF= 18,000 N (C)
CE= 0, EB= 17,000 kg-m/s^2 (C) and EF= 18,000 kg-m/s^2 (T)
CE= 0, EB= 17,000 kg-m/s^2 (T) and EF= 18,000 kg-m/s^2 (C)
CE=0, EB= 17,000 kN (C) and EF= 18,000 kN (T)
None of the choices

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Determine the force in each CE, EB, and EF of the truss and state if the members are in tension or compression. Set P1 = 8 kN, P2 = 12 kN. Note: Make sure to provide the solution for the answers together with the conversion that matches the answer on the options. *
G F E
2 m
A B C D
1 m 2 m 1 m
P1 P2
CE=0, EB= 17,000 N (T) and EF= 18,000 N (C)
CE= 0, EB= 17,000 kg-m/s^2 (C) and EF= 18,000 kg-m/s^2 (T)
CE= 0, EB= 17,000 kg-m/s^2 (T) and EF= 18,000 kg-m/s^2 (C)
CE=0, EB= 17,000 kN (C) and EF= 18,000 kN (T)
None of the choices

Added by Edward P.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Priyanka Khokher

01/09/2022

Step 1

Tension is a force that pulls the member apart, while compression is a force that pushes the member together. Second, we need to understand that the force in each member of the truss can be determined by using the method of joints. This method involves isolating Show more…

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Determine the force in each CE, EB, and EF of the truss and state if the members are in tension or compression: Set P1 = 8 kN, P2 = 12 kN; Note: Make sure to provide the solution for the answers together with the conversion that matches the answer on the options: CE = 0, EB = 17,000 N (T) and EF = 18,000 N (C) CE = 0, EB = 17,000 kg m/s^2 (C) and EF = 18,000 kg m/s^2 (T) CE = 0, EB = 17,000 kg m/s^2 (T) and EF = 18,000 kg m/s^2 (C) CE = 0, EB = 17,000 kN (C) and EF = 18,000 kN (T) None of the choices

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Transcript

00:01 In this question we are given the following dress and we need to find the values of the force in these members e c e b and ef so for that first of all what we will do we will balance force on the member on the joint e c sorry okay at joint c this would be something like this this would be f in c b this would be f in b c and this would be f in c .e.

00:33 So when we do summation of vertical force at this zone, that must be equal to 0.

00:38 So from here we get f, c .e must be equal to 0.

00:43 Now for the rest of the two forces, what we will do.

00:45 We will cut a section through here and we will draw the free body diagram of the right portion.

00:53 And what do we get here? it would be like this.

01:01 Okay, and like this, like this.

01:08 So these forces would be f, b, e, f, c, b, f, ef.

01:19 And this is what, 12 kilometer.

01:23 This distance was 1, this was 2.

01:26 So for this, what we will do, this angle was what, 45 degree.

01:31 So this would be what 45 degree.

01:33 So first of all we will do, sigma f vertical must be equal to 0 for the whole structure.

01:39 Okay.

01:39 So f, b .e.

01:46 No, sorry, sine 45 plus 12, that must be equal to 0.

01:52 So from here we get fbc must be equal to 12 root minus of 12 root 2...

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