Question 1

Question 1

Moment of Inertia question 1

Find an expression for the triangle's moment of inertia about its centroidal axis, I_x̄-x̄.

Find an expression for the triangle's moment of inertia about its centroidal axis, I_x̄-x̄.

Click below to show answer. X

Step 1:
Obtain an expression for dA

Step 1:
Obtain an expression for dA

Moment of Inertia solution step 1

Step 2:
Use integration formula to calculate I_x̄-x̄

Step 2:
Use integration formula to calculate I_x̄-x̄

Moment of Inertia solution step 2

Useful formula:

Useful formula:

Moment of Inertia formula

Now that you've mastered this question, you can try Question 2.