Question 2

Question 2

Beams – Internal Forces question 2

Find the internal forces at the section cut C-C.

>> Here, we can use a shortcut and take the right section cut straight away, circumventing the need to obtain the reaction at A.

Find the internal forces at the section cut C-C.

>> Here, we can use a shortcut and take the right section cut straight away, circumventing the need to obtain the reaction at A.

Click below to show answer. X

Step 1:
Draw FBD for section cut

Step 1:
Draw FBD for section cut

Beams – Internal Forces solution step 1

Step 2:
Solve for internal forces using equations of equilibrium

Step 2:
Solve for internal forces using equations of equilibrium

Beams – Internal Forces solution step 2

Useful formula:

Useful formula:

Beams – Internal Forces formula

Congratulations! You've completed all the questions in this topic. Let's look at C5.3: Shear Force and Bending Moment Diagrams now.