Question 2

Question 2

Method of Joints question 2

Calculate the force in member CF, F_CF.

Calculate the force in member CF, F_CF.

Click below to show answer. X

Step 1:
Determine the order of joints to solve

Step 1:
Determine the order of joints to solve

Method of Joints solution step 1

Step 2:
Draw truss FBD and solve for reaction forces

Step 2:
Draw truss FBD and solve for reaction forces

Method of Joints solution step 2

Step 3:
Apply method of joints to solve for F_CF

Step 3:
Apply method of joints to solve for F_CF

Method of Joints solution step 3

Useful formula:

Useful formula:

Method of Joints formula

Now that you've mastered this question, you can try Question 3.