Question 2

Question 2

Conservation of Energy question 2

Find the vertical displacement of point B (Δ_B ↓) for the cantilevered beam above. Neglect the strain energy due to shear.

Find the vertical displacement of point B (Δ_B ↓) for the cantilevered beam above. Neglect the strain energy due to shear.

Click below to show answer. X

Step 1:
Calculate internal bending moment for each segment

Step 1:
Calculate internal bending moment for each segment

Conservation of Energy solution step 1

Step 2:
U_e = U_i to calculate Δ_B (↓)

Step 2:
U_e = U_i to calculate Δ_B (↓)

Conservation of Energy solution step 2

Useful formula:

Useful formula:

Conservation of Energy formula

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